{"product_id":"eph-controls-smart-thermostat-heating-hot-water-emberts21","title":"EPH Controls Smart Thermostat Heating \u0026 Hot Water | EMBERTS21","description":"\u003c!-- SEO Product Name: EPH Controls Smart Thermostat Heating \u0026 Hot Water | EMBERTS21 --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; line-height:1.55; color:#222222;\"\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eEPH Controls EMBERTS21\u003c\/strong\u003e is a complete \u003cstrong\u003ewireless smart thermostat kit\u003c\/strong\u003e for \u003cstrong\u003etwo-zone heating\u003c\/strong\u003e or \u003cstrong\u003eheating plus hot water control\u003c\/strong\u003e. It pairs a \u003cstrong\u003eRFRP-TW programmable RF touch thermostat\u003c\/strong\u003e with an \u003cstrong\u003eRF2B twin-channel receiver\u003c\/strong\u003e and the latest \u003cstrong\u003eGW04-V2 dual-band Wi-Fi gateway\u003c\/strong\u003e, so you can manage your system from the wall or from anywhere using the \u003cstrong\u003eEMBER app\u003c\/strong\u003e on iOS and Android.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eZone 1\u003c\/strong\u003e gives you full \u003cstrong\u003etime and temperature control\u003c\/strong\u003e, while \u003cstrong\u003eZone 2\u003c\/strong\u003e provides a convenient \u003cstrong\u003esecondary timed output\u003c\/strong\u003e that can switch a hot water cylinder or a second heating zone. The thermostat is \u003cstrong\u003epre-paired to Zone 1 of the receiver\u003c\/strong\u003e, which keeps installation quick and simple for the installer and easy to operate for the homeowner. The kit carries a \u003cstrong\u003e5 year warranty\u003c\/strong\u003e and \u003cstrong\u003eCE and UKCA\u003c\/strong\u003e marking.\u003c\/p\u003e\n\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:10px; margin:20px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; padding:14px 10px; text-align:center; border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:bold;\"\u003e2\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px;\"\u003eZones: Heating + Heating or Hot Water\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; padding:14px 10px; text-align:center; border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:bold;\"\u003e5 Year\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px;\"\u003eManufacturer Warranty\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; padding:14px 10px; text-align:center; border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:bold;\"\u003e2.4 \/ 5 GHz\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px;\"\u003eDual-Band Wi-Fi Gateway\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; padding:14px 10px; text-align:center; border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:bold;\"\u003e6 \/ Day\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px;\"\u003ePrograms per Day\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; padding:14px 10px; text-align:center; border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:bold;\"\u003e5-35°C\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px;\"\u003eThermostat Range\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; padding:14px 10px; text-align:center; border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:bold;\"\u003e230V 3A\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px;\"\u003eReceiver Contact Rating\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border-left:5px solid #008377CF; background:#e6f3f2; padding:12px 16px; margin:14px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#008377CF; margin-bottom:4px;\"\u003eHow the two zones work\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eZone 1\u003c\/strong\u003e operates on both time and temperature, so you set target temperatures for each program. \u003cstrong\u003eZone 2\u003c\/strong\u003e is \u003cstrong\u003etime-controlled only\u003c\/strong\u003e (on or off), and can be used for heating or hot water depending on your system set-up.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:5px solid #d98a00; background:#fff6e0; padding:12px 16px; margin:14px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#d98a00; margin-bottom:4px;\"\u003eOpenTherm® compatibility\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eOpenTherm®\u003c\/strong\u003e can only be used on the RF2B when \u003cstrong\u003etwo RF thermostats\u003c\/strong\u003e are connected to it. This kit includes one RFRP-TW thermostat, so a second compatible RF thermostat is required for OpenTherm® operation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:5px solid #c62828; background:#fdecea; padding:12px 16px; margin:14px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#c62828; margin-bottom:4px;\"\u003eInstallation safety\u003c\/div\u003e\n\u003cdiv\u003eInstallation and connection must be carried out by a \u003cstrong\u003equalified person\u003c\/strong\u003e. Isolate the receiver from the mains before installation and protect the circuit with a \u003cstrong\u003e250V~ 6A Type C MCB\u003c\/strong\u003e (IEC 60898-1) and a suitable fuse or circuit breaker.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color:#008377CF; border-bottom:2px solid #008377CF; padding-bottom:6px; margin:28px 0 12px 0;\"\u003eKey Features\u003c\/h3\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:12px;\"\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-radius:6px; overflow:hidden; background:#ffffff;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; padding:10px 14px; font-weight:bold;\"\u003eTwo-Zone Control\u003c\/div\u003e\n\u003cdiv style=\"padding:12px 14px;\"\u003e\n\u003cstrong\u003eTwin-channel RF2B receiver\u003c\/strong\u003e with SPDT switch output controls \u003cstrong\u003etwo heating zones\u003c\/strong\u003e or \u003cstrong\u003eheating and hot water\u003c\/strong\u003e from a single thermostat control point.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-radius:6px; overflow:hidden; background:#ffffff;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; padding:10px 14px; font-weight:bold;\"\u003eEMBER App Control\u003c\/div\u003e\n\u003cdiv style=\"padding:12px 14px;\"\u003eControl your heating from anywhere with the \u003cstrong\u003eEMBER Smart Heating Control app\u003c\/strong\u003e. Invite other users, group zones, and use \u003cstrong\u003eQuick Boost\u003c\/strong\u003e with a press and hold on a zone.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-radius:6px; overflow:hidden; background:#ffffff;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; padding:10px 14px; font-weight:bold;\"\u003eProgrammable Touch Thermostat\u003c\/div\u003e\n\u003cdiv style=\"padding:12px 14px;\"\u003e\n\u003cstrong\u003e6 programs per day\u003c\/strong\u003e with \u003cstrong\u003e5\/2 day, 7 day and 24 hour\u003c\/strong\u003e modes, \u003cstrong\u003etemporary and permanent override\u003c\/strong\u003e, holiday mode and a white backlit display.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-radius:6px; overflow:hidden; background:#ffffff;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; padding:10px 14px; font-weight:bold;\"\u003eSmarter Heating Modes\u003c\/div\u003e\n\u003cdiv style=\"padding:12px 14px;\"\u003eChoose \u003cstrong\u003eNormal, Optimum Start or TPI\u003c\/strong\u003e operating mode, with adjustable \u003cstrong\u003ehysteresis\u003c\/strong\u003e, \u003cstrong\u003ecalibration\u003c\/strong\u003e and \u003cstrong\u003ehigh and low temperature limits\u003c\/strong\u003e for fine tuning.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-radius:6px; overflow:hidden; background:#ffffff;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; padding:10px 14px; font-weight:bold;\"\u003eFlexible Connectivity\u003c\/div\u003e\n\u003cdiv style=\"padding:12px 14px;\"\u003e\n\u003cstrong\u003eGW04-V2 gateway\u003c\/strong\u003e connects over \u003cstrong\u003edual-band 2.4 \/ 5 GHz Wi-Fi\u003c\/strong\u003e or by \u003cstrong\u003eLAN cable\u003c\/strong\u003e through its Ethernet port for a stable connection.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-radius:6px; overflow:hidden; background:#ffffff;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; padding:10px 14px; font-weight:bold;\"\u003eExpandable System\u003c\/div\u003e\n\u003cdiv style=\"padding:12px 14px;\"\u003eAdd receivers to grow the system to \u003cstrong\u003eup to 6 zones\u003c\/strong\u003e using a maximum of \u003cstrong\u003e3 RF2B receivers\u003c\/strong\u003e, with one receiver set as the hub.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color:#008377CF; border-bottom:2px solid #008377CF; padding-bottom:6px; margin:28px 0 12px 0;\"\u003eThermostat Highlights\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eRFRP-TW\u003c\/strong\u003e measures room temperature with its \u003cstrong\u003einternal sensor\u003c\/strong\u003e and includes \u003cstrong\u003efrost protection\u003c\/strong\u003e (default \u003cstrong\u003e5°C\u003c\/strong\u003e, adjustable 5 to 15°C), \u003cstrong\u003ekeypad lock\u003c\/strong\u003e and \u003cstrong\u003ePIN lock\u003c\/strong\u003e to prevent unwanted changes. It can be \u003cstrong\u003ewall mounted\u003c\/strong\u003e or placed on the \u003cstrong\u003eincluded table stand\u003c\/strong\u003e, and runs on \u003cstrong\u003e4 x AAA alkaline batteries\u003c\/strong\u003e with a low battery warning on the display and in the EMBER app. An \u003cstrong\u003eNTC10K plug sensor\u003c\/strong\u003e (sold separately) allows remote air or floor temperature sensing with a floor high limit.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#008377CF; border-bottom:2px solid #008377CF; padding-bottom:6px; margin:28px 0 12px 0;\"\u003eTechnical Specification\u003c\/h3\u003e\n\u003cdiv style=\"margin-top:14px; border:1px solid #008377CF; border-radius:6px; overflow:hidden;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; padding:10px 14px; font-weight:bold;\"\u003eGeneral\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eBrand\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eEPH Controls\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eModel \/ MPN\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eEMBERTS21\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eKit Contents\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e1 x RFRP-TW programmable RF thermostat, 1 x RF2B 2 zone RF receiver, 1 x GW04-V2 gateway\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eZones\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e2 (heating + heating, or heating + hot water)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eWarranty\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e5 years\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eCompliance\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eCE, UKCA\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:14px; border:1px solid #008377CF; border-radius:6px; overflow:hidden;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; padding:10px 14px; font-weight:bold;\"\u003eRFRP-TW Programmable RF Thermostat\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003ePower Supply\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e4 x AAA alkaline batteries\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003ePower Consumption\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e\u0026lt;1W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eTemperature Range\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e5 to 35°C (heating)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eAmbient Temperature\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e0 to 45°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eAmbient Humidity\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e5 to 95% RH\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e91 x 91 x 23mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eInternal Sensor\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eNTC 100K\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eHysteresis (Heating)\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e0 to 1°C in 0.1°C steps (default 0.4°C)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eProgramming Modes\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e5\/2 day, 7 day, 24 hour (6 programs per day)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eOperating Modes\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eNormal, Optimum Start, TPI\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eFrost Protection\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e5 to 15°C (default 5°C), active in Off and Holiday modes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eBacklight\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eWhite (Auto or Off)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eIP Rating\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eIP20\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eMounting\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eWall mounted or table stand (included)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:14px; border:1px solid #008377CF; border-radius:6px; overflow:hidden;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; padding:10px 14px; font-weight:bold;\"\u003eRF2B 2 Zone Receiver\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003ePower Supply\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e200 to 240V AC, 50\/60Hz\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eContact Rating\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e230V AC, 3A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eSwitch Output\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eSPDT\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eAmbient Temperature\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e0 to 45°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eAutomatic Action\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eType 1.C.Q\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eAppliance Class\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eClass I\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eIP Rating\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eIP20\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eRated Impulse Voltage\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e4000V (EN 60730)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eRecommended Protection\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e250V~ 6A Type C MCB (IEC 60898-1)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eReceiver to Thermostat Distance\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eWithin 20 metres\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eMaximum Receivers\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003e3 x RF2B per system (up to 6 zones)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:14px; border:1px solid #008377CF; border-radius:6px; overflow:hidden;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; padding:10px 14px; font-weight:bold;\"\u003eGW04-V2 Gateway\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eWi-Fi\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eDual band 2.4 GHz and 5 GHz\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eWired Connection\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eLAN (Ethernet) port\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eStatus LEDs\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003ePower, Wi-Fi, LAN, RF\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eControlled via\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eEMBER Smart Heating Control app (iOS and Android)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f8f8; padding:9px 14px; border-top:1px solid #dde9e8;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; font-weight:bold; color:#008377CF;\"\u003eGateway Placement\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px;\"\u003eAt least 1 metre from other electronics such as routers, microwaves and TVs\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color:#008377CF; border-bottom:2px solid #008377CF; padding-bottom:6px; margin:28px 0 12px 0;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails style=\"margin-top:8px; border:1px solid #008377CF; border-radius:6px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:12px 16px; cursor:pointer; font-weight:bold;\"\u003eWhat is included in the EMBERTS21 kit?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;\"\u003eThe kit contains one \u003cstrong\u003eRFRP-TW programmable RF thermostat\u003c\/strong\u003e, one \u003cstrong\u003eRF2B 2 zone receiver\u003c\/strong\u003e and one \u003cstrong\u003eGW04-V2 gateway\u003c\/strong\u003e. The thermostat is supplied with its mounting plate, table stand and screws, and is pre-paired to Zone 1 of the receiver.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-top:8px; border:1px solid #008377CF; border-radius:6px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:12px 16px; cursor:pointer; font-weight:bold;\"\u003eCan the EMBERTS21 control heating and hot water?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;\"\u003eYes. \u003cstrong\u003eZone 1\u003c\/strong\u003e provides time and temperature control for heating. \u003cstrong\u003eZone 2\u003c\/strong\u003e is a \u003cstrong\u003etimed on\/off output\u003c\/strong\u003e that can be used for hot water or for a second heating zone. Zone 2 does not apply a temperature setpoint.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-top:8px; border:1px solid #008377CF; border-radius:6px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:12px 16px; cursor:pointer; font-weight:bold;\"\u003eDoes it work with OpenTherm® boilers?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;\"\u003e\n\u003cstrong\u003eOpenTherm®\u003c\/strong\u003e can only be used when \u003cstrong\u003etwo RF thermostats\u003c\/strong\u003e are connected to the RF2B receiver. This kit includes one RFRP-TW, so an additional compatible RF thermostat is needed for OpenTherm® operation.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-top:8px; border:1px solid #008377CF; border-radius:6px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:12px 16px; cursor:pointer; font-weight:bold;\"\u003eWhat do I need for app control?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;\"\u003eYou need the \u003cstrong\u003eGW04-V2 gateway\u003c\/strong\u003e connected to your router by \u003cstrong\u003edual-band Wi-Fi\u003c\/strong\u003e or \u003cstrong\u003eLAN cable\u003c\/strong\u003e, plus the free \u003cstrong\u003eEMBER app\u003c\/strong\u003e on a compatible iOS or Android device. The Wi-Fi network name must not be hidden during pairing, and the gateway should be paired directly to the main router rather than a booster.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-top:8px; border:1px solid #008377CF; border-radius:6px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:12px 16px; cursor:pointer; font-weight:bold;\"\u003eCan I add more zones later?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;\"\u003eYes. The system can be expanded to \u003cstrong\u003eup to 6 zones\u003c\/strong\u003e using a maximum of \u003cstrong\u003e3 RF2B receivers\u003c\/strong\u003e. One receiver must be set as the \u003cstrong\u003ehub\u003c\/strong\u003e and connected to the gateway, and additional receivers act as branch receivers.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-top:8px; border:1px solid #008377CF; border-radius:6px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:12px 16px; cursor:pointer; font-weight:bold;\"\u003eWhich batteries and mounting position are recommended?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;\"\u003eThe thermostat uses \u003cstrong\u003e4 x AAA alkaline batteries\u003c\/strong\u003e. \u003cstrong\u003eDuracell or Energizer\u003c\/strong\u003e are recommended, as low quality brands can interrupt wireless communication or cause the thermostat to reset. Mount the thermostat around \u003cstrong\u003e1.5 metres above floor level\u003c\/strong\u003e, away from sunlight, drafts and heat sources. Fit the receiver within \u003cstrong\u003e20 metres\u003c\/strong\u003e of the thermostat, with at least \u003cstrong\u003e25cm\u003c\/strong\u003e clearance from metal objects and \u003cstrong\u003e1 metre\u003c\/strong\u003e from wireless devices.\u003c\/div\u003e\u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"EPH Controls","offers":[{"title":"Default Title","offer_id":67795146277254,"sku":"EMBERTS21","price":159.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/EPHControlsEMBERTS21WirelessHeating_HotWaterSmartThermostatcw2CHReceiver_Gateway.jpg?v=1793121998","url":"https:\/\/qualityheating.co.uk\/products\/eph-controls-smart-thermostat-heating-hot-water-emberts21","provider":"AIZO Quality Heating","version":"1.0","type":"link"}