{"product_id":"vaillant-vsmart-system-open-vent-room-thermostat-pack-0020223158","title":"Vaillant vSMART System\/Open Vent Room Thermostat Pack 0020223158","description":"\u003c!-- SEO Product Name: Vaillant vSMART System\/Open Vent Room Thermostat Pack 0020223158 --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; margin:0 auto; color:#2B2B2B; line-height:1.6; font-family:Arial, Helvetica, sans-serif;\"\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eThe \u003cstrong\u003eVaillant vSMART Internet Room Thermostat — System\/Open Vent Pack (0020223158)\u003c\/strong\u003e is Vaillant's smart, internet-connected heating control, built specifically to pair with a \u003cstrong\u003esystem or open vent (regular) boiler on a single wired heating zone\u003c\/strong\u003e. It combines the everyday function of a programmable room thermostat with full remote control from a smartphone or tablet, using Vaillant's own app.\u003c\/p\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eAt the core of the vSMART is Vaillant's proprietary \u003cstrong\u003eeBUS communication protocol\u003c\/strong\u003e, which passes live load and weather compensation data between the thermostat and boiler so the boiler can \u003cstrong\u003emodulate its output for optimal efficiency\u003c\/strong\u003e rather than simply switching on and off. The thermostat also \u003cstrong\u003elearns the thermal behaviour of the building\u003c\/strong\u003e over time, refining how it responds to deliver the home's heating and hot water needs.\u003c\/p\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eThis pack includes both the \u003cstrong\u003evSMART thermostat\u003c\/strong\u003e and the \u003cstrong\u003evSMART gateway\u003c\/strong\u003e required to connect a system or open vent boiler to the home's internet connection, along with a wall bracket and table stand so it can be sited wherever suits the household best.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:20px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 8px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:21px; font-weight:700; line-height:1.2;\"\u003eClass VI\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eErP Efficiency Rating\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 8px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:21px; font-weight:700; line-height:1.2;\"\u003e+4%\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eErP Efficiency Contribution\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 8px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:21px; font-weight:700; line-height:1.2;\"\u003e≈2 Yrs\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eBattery Life\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 8px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:21px; font-weight:700; line-height:1.2;\"\u003e868 MHz\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eRF Transmission Frequency\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 8px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:21px; font-weight:700; line-height:1.2;\"\u003e100m\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eOutdoor Comms Range\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 8px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:21px; font-weight:700; line-height:1.2;\"\u003e7–30°C\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eAdjustable Temperature Range\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFF6E5; border-left:4px solid #E0942A; padding:14px 18px; margin:18px 0; border-radius:4px; font-size:15px; line-height:1.55; color:#333333;\"\u003e\n\u003cdiv style=\"font-weight:700; margin-bottom:4px; color:#E0942A;\"\u003ePlease Note\u003c\/div\u003eThis pack (\u003cstrong\u003e0020223158\u003c\/strong\u003e) is the \u003cstrong\u003eSystem\/Open Vent\u003c\/strong\u003e version of the vSMART, wired to control a system or open vent (regular\/heat-only) boiler with a single heating zone. A separate \u003cstrong\u003eCombi Pack (0020223154)\u003c\/strong\u003e is available for combi boiler installations — check the boiler type before ordering, as the two packs are not interchangeable.\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:20px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-top:3px solid #008377CF; border-radius:8px; padding:16px; margin:6px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; margin-bottom:8px; font-size:15px;\"\u003eeBUS Boiler Modulation\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.55; color:#333333;\"\u003eUses Vaillant's \u003cstrong\u003eproprietary eBUS protocol\u003c\/strong\u003e to communicate directly with the boiler, allowing it to modulate output for optimal efficiency and peak performance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-top:3px solid #008377CF; border-radius:8px; padding:16px; margin:6px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; margin-bottom:8px; font-size:15px;\"\u003eInternet Weather Compensation\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.55; color:#333333;\"\u003eAutomatically \u003cstrong\u003eoptimises system flow temperatures\u003c\/strong\u003e based on the outside temperature, reducing energy use without sacrificing comfort.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-top:3px solid #008377CF; border-radius:8px; padding:16px; margin:6px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; margin-bottom:8px; font-size:15px;\"\u003eIntelligent Self-Learning\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.55; color:#333333;\"\u003eBegins learning the \u003cstrong\u003ethermal behaviour of the building\u003c\/strong\u003e from installation, tailoring responses to the household's real heating and hot water patterns.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-top:3px solid #008377CF; border-radius:8px; padding:16px; margin:6px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; margin-bottom:8px; font-size:15px;\"\u003eRemote App Control\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.55; color:#333333;\"\u003eFull control of heating and hot water from an \u003cstrong\u003eAndroid or Apple iOS app\u003c\/strong\u003e, with support for \u003cstrong\u003emultiple users on one thermostat\u003c\/strong\u003e and one app managing multiple homes.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-top:3px solid #008377CF; border-radius:8px; padding:16px; margin:6px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; margin-bottom:8px; font-size:15px;\"\u003eElectronic Paper Display\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.55; color:#333333;\"\u003eA black-and-white \u003cstrong\u003eelectronic paper display\u003c\/strong\u003e gives outstanding contrast in any light and only draws power when the screen refreshes, keeping battery use to a minimum.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-top:3px solid #008377CF; border-radius:8px; padding:16px; margin:6px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; margin-bottom:8px; font-size:15px;\"\u003eserviceASSIST Compatible\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.55; color:#333333;\"\u003eWorks with Vaillant's \u003cstrong\u003eserviceASSIST\u003c\/strong\u003e app, letting a heating engineer remotely monitor performance data and fault history for supported installations.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size:19px; font-weight:700; color:#00625D; margin:32px 0 14px 0; padding-bottom:8px; border-bottom:2px solid #008377CF;\"\u003eTechnical Specification\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:0.05em; padding:9px 16px; border-radius:6px 6px 0 0; margin-top:18px;\"\u003eGeneral\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden; margin-bottom:4px;\"\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eProduct Type\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003eInternet-connected programmable room thermostat, System\/Open Vent pack\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003eSystem or open vent (regular) boilers, single wired heating zone\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eCommunication Protocol\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003eVaillant eBUS\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eConnectivity\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003eWLAN 802.11 (2.4GHz) via included vSMART gateway\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eControl Method\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003eVaillant app (iOS \u0026amp; Android) and on-device electronic paper display\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eInstallation\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003eWall-mounted bracket or table stand (both included)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eColour\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003eWhite\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:0.05em; padding:9px 16px; border-radius:6px 6px 0 0; margin-top:18px;\"\u003eThermostat Dimensions \u0026amp; Power\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden; margin-bottom:4px;\"\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eHeight\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e83 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eWidth\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e105 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eDepth\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e26 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003ePower Supply\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e3 x 1.5V AAA batteries\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eBattery Life\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003eApprox. 2 years\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eCurrent Consumption\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e\u0026lt;2 A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eLevel of Protection\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003eIP20\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eAdjustable Temperature Range\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e7°C to 30°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eMax Ambient Temperature\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e50°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eTransmission Frequency\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e868 MHz\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eMax Communication Range (Outdoor)\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e100 m\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eMax Communication Range (Indoor)\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003eApprox. 25 m\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:0.05em; padding:9px 16px; border-radius:6px 6px 0 0; margin-top:18px;\"\u003eGateway Dimensions \u0026amp; Power\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden; margin-bottom:4px;\"\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eHeight\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e84 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eWidth\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e83 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eDepth\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e25 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003ePower Supply\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e230V\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eFrequency\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e50 \/ 60 Hz\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eMinimum Cross-Section (eBUS \u0026amp; Sensor Wire)\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e0.75 mm²\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:0.05em; padding:9px 16px; border-radius:6px 6px 0 0; margin-top:18px;\"\u003ePerformance \u0026amp; Compliance\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden; margin-bottom:4px;\"\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eErP Class\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003eVI (6)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eErP Efficiency Contribution\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e4%\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eBoiler Plus Compliance\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003eMeets Boiler Plus requirements as a smart, weather-compensating, modulating control\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:0.05em; padding:9px 16px; border-radius:6px 6px 0 0; margin-top:18px;\"\u003eReference\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden; margin-bottom:4px;\"\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eManufacturer\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003eVaillant\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eManufacturer Part Number (MPN)\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003e0020223158\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 16px; font-weight:600; color:#333; font-size:14px;\"\u003ePack Description\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 16px; color:#222; font-size:14px;\"\u003evSMART System\/Open Vent Pack — thermostat + gateway\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FDECEC; border-left:4px solid #D32F2F; padding:14px 18px; margin:18px 0; border-radius:4px; font-size:15px; line-height:1.55; color:#333333;\"\u003e\n\u003cdiv style=\"font-weight:700; margin-bottom:4px; color:#D32F2F;\"\u003eImportant Safety Information\u003c\/div\u003eThe vSMART gateway connects to the boiler's \u003cstrong\u003eeBUS terminals and 230V mains supply\u003c\/strong\u003e. Installation and wiring must be carried out by a \u003cstrong\u003equalified, competent heating engineer\u003c\/strong\u003e in accordance with Vaillant's installation instructions and current UK wiring regulations.\u003c\/div\u003e\n\u003cdiv style=\"font-size:19px; font-weight:700; color:#00625D; margin:32px 0 14px 0; padding-bottom:8px; border-bottom:2px solid #008377CF;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003cdetails\u003e\u003csummary style=\"padding:14px 18px; font-size:15px; font-weight:700; color:#00625D; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#F7FAFA;\"\u003e\u003cspan\u003eIs this pack for a combi boiler or a system\/open vent boiler?\u003c\/span\u003e\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px; font-size:15px; color:#444; line-height:1.65; border-top:1px solid #D9EDEA; background:#fff;\"\u003eThis specific pack (\u003cstrong\u003e0020223158\u003c\/strong\u003e) is built for \u003cstrong\u003esystem or open vent (regular) boilers\u003c\/strong\u003e on a single wired heating zone. For combi boiler installations, Vaillant's separate Combi Pack (0020223154) is the correct product.\u003c\/div\u003e\u003c\/details\u003e\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003cdetails\u003e\u003csummary style=\"padding:14px 18px; font-size:15px; font-weight:700; color:#00625D; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#F7FAFA;\"\u003e\u003cspan\u003eWhat's included in the box?\u003c\/span\u003e\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px; font-size:15px; color:#444; line-height:1.65; border-top:1px solid #D9EDEA; background:#fff;\"\u003eThe pack includes the \u003cstrong\u003evSMART thermostat\u003c\/strong\u003e, the \u003cstrong\u003evSMART gateway\u003c\/strong\u003e needed to connect the system to the home's internet router, a \u003cstrong\u003ewall bracket\u003c\/strong\u003e, and a \u003cstrong\u003etable stand\u003c\/strong\u003e, so the thermostat can be sited on a surface or fixed to a wall.\u003c\/div\u003e\u003c\/details\u003e\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003cdetails\u003e\u003csummary style=\"padding:14px 18px; font-size:15px; font-weight:700; color:#00625D; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#F7FAFA;\"\u003e\u003cspan\u003eDoes the vSMART work with all Vaillant boilers?\u003c\/span\u003e\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px; font-size:15px; color:#444; line-height:1.65; border-top:1px solid #D9EDEA; background:#fff;\"\u003eThe vSMART is designed to work with Vaillant's modulating boiler range via the eBUS protocol. This pack specifically wires to a \u003cstrong\u003esystem or open vent boiler with one heating zone\u003c\/strong\u003e — always confirm compatibility with the exact boiler model before installation.\u003c\/div\u003e\u003c\/details\u003e\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003cdetails\u003e\u003csummary style=\"padding:14px 18px; font-size:15px; font-weight:700; color:#00625D; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#F7FAFA;\"\u003e\u003cspan\u003eHow long do the batteries last?\u003c\/span\u003e\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px; font-size:15px; color:#444; line-height:1.65; border-top:1px solid #D9EDEA; background:#fff;\"\u003eThe vSMART thermostat runs on \u003cstrong\u003e3 x AAA batteries\u003c\/strong\u003e with a typical battery life of \u003cstrong\u003eapproximately 2 years\u003c\/strong\u003e, helped by the low-power electronic paper display, which only draws power when the screen refreshes.\u003c\/div\u003e\u003c\/details\u003e\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003cdetails\u003e\u003csummary style=\"padding:14px 18px; font-size:15px; font-weight:700; color:#00625D; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#F7FAFA;\"\u003e\u003cspan\u003eCan more than one person control the heating from the app?\u003c\/span\u003e\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px; font-size:15px; color:#444; line-height:1.65; border-top:1px solid #D9EDEA; background:#fff;\"\u003eYes. The Vaillant app supports \u003cstrong\u003emultiple users on a single thermostat\u003c\/strong\u003e, and a single app login can also be used to manage \u003cstrong\u003emore than one vSMART-controlled property\u003c\/strong\u003e.\u003c\/div\u003e\u003c\/details\u003e\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003cdetails\u003e\u003csummary style=\"padding:14px 18px; font-size:15px; font-weight:700; color:#00625D; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#F7FAFA;\"\u003e\u003cspan\u003eIs professional installation required?\u003c\/span\u003e\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px; font-size:15px; color:#444; line-height:1.65; border-top:1px solid #D9EDEA; background:#fff;\"\u003eYes. The vSMART gateway wires into the boiler's eBUS connection and mains supply, so installation should be carried out by a \u003cstrong\u003equalified heating engineer\u003c\/strong\u003e in line with Vaillant's installation instructions.\u003c\/div\u003e\u003c\/details\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":65855985516893,"sku":"0020223158","price":495.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/VaillantvSMARTSystemOpenVentRoomThermostatPack0020223158.jpg?v=1788854808","url":"https:\/\/qualityheating.co.uk\/products\/vaillant-vsmart-system-open-vent-room-thermostat-pack-0020223158","provider":"AIZO Quality Heating","version":"1.0","type":"link"}