{"product_id":"drayton-22mm-motorised-2-port-zone-valve-snap-on-actuator-5-wire-spst-switch-pack-of-2-p27100","title":"Drayton 22mm Motorised 2 Port Zone Valve \u0026 Snap-On Actuator (5 Wire SPST Switch) - Pack of 2 P27100","description":"\u003c!-- SEO Product Name: Drayton 22mm Motorised 2 Port Zone Valve \u0026 Snap-On Actuator (5 Wire SPST Switch) - Pack of 2 P27100 --\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\u003eDrayton 22mm Motorised 2 Port Zone Valve \u0026amp; Snap-On Actuator (MPN: 27100)\u003c\/strong\u003e, also known by its full model reference \u003cstrong\u003eZA5\/679-2\u003c\/strong\u003e, is the industry-standard zone valve for controlling individual heating or hot water circuits in domestic wet central heating systems. It pairs a \u003cstrong\u003e22mm compression brass valve body\u003c\/strong\u003e with a \u003cstrong\u003elow-energy 230V snap-on actuator\u003c\/strong\u003e, giving installers a fast-fitting, easily serviced valve with \u003cstrong\u003e100% tight shut-off\u003c\/strong\u003e and the familiar 5-wire SPST end-switch wiring used across S-Plan heating and hot water zoning.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:10px; margin:20px 0 28px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#fff; border-radius:10px; padding:16px 10px; text-align:center; min-width:120px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:800; line-height:1.2;\"\u003e22mm\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:600; margin-top:4px; letter-spacing:.02em; opacity:0.95;\"\u003eCompression Connections\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#fff; border-radius:10px; padding:16px 10px; text-align:center; min-width:120px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:800; line-height:1.2;\"\u003e2-Port\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:600; margin-top:4px; letter-spacing:.02em; opacity:0.95;\"\u003eNormally-Closed Valve\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#fff; border-radius:10px; padding:16px 10px; text-align:center; min-width:120px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:800; line-height:1.2;\"\u003e230V\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:600; margin-top:4px; letter-spacing:.02em; opacity:0.95;\"\u003eSnap-On Actuator\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#fff; border-radius:10px; padding:16px 10px; text-align:center; min-width:120px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:800; line-height:1.2;\"\u003e8.6 bar\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:600; margin-top:4px; letter-spacing:.02em; opacity:0.95;\"\u003eMax Static Pressure\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#fff; border-radius:10px; padding:16px 10px; text-align:center; min-width:120px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:800; line-height:1.2;\"\u003e14 sec\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:600; margin-top:4px; letter-spacing:.02em; opacity:0.95;\"\u003eMotor Opening Time\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#fff; border-radius:10px; padding:16px 10px; text-align:center; min-width:120px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:800; line-height:1.2;\"\u003eEN 60730-1\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:600; margin-top:4px; letter-spacing:.02em; opacity:0.95;\"\u003eControl Standard\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:14px; margin:18px 0 28px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:240px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003e2-Port Normally-Closed Valve\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#444; line-height:1.6;\"\u003eThe valve body is \u003cstrong\u003eclosed when de-energised\u003c\/strong\u003e and opens on demand, making it ideal for \u003cstrong\u003eS-Plan zoning\u003c\/strong\u003e of central heating and hot water circuits.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:240px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003e22mm Compression Connections\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#444; line-height:1.6;\"\u003eFittings suit \u003cstrong\u003estandard 22mm copper pipework\u003c\/strong\u003e found in most domestic primary systems, giving good flow with low hydraulic resistance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:240px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eSnap-On Actuator\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#444; line-height:1.6;\"\u003eThe actuator \u003cstrong\u003eclips on and off using a side release button\u003c\/strong\u003e, so the actuator or motor can be replaced without draining down the system.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:240px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003e5-Wire SPST End Switch\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#444; line-height:1.6;\"\u003eA built-in \u003cstrong\u003esingle-pole, single-throw auxiliary switch\u003c\/strong\u003e provides boiler and pump interlock via the industry-standard 5-core cable, wired the same way as most other UK 2-port zone valves.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:240px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eSpring-Return Fail-Safe\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#444; line-height:1.6;\"\u003e\n\u003cstrong\u003eEnergise-to-open\u003c\/strong\u003e operation with a spring return to closed when power is removed, so the valve fails safe in the closed position.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:240px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eManual Lever \u0026amp; Position Indicator\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#444; line-height:1.6;\"\u003eA \u003cstrong\u003emanual lever\u003c\/strong\u003e allows filling and override, alongside a clear visual indicator of valve position for quick diagnostics.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FDECEC; border-left:4px solid #D32F2F; border-radius:6px; padding:14px 16px; margin:18px 0;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#D32F2F; font-size:14px; margin-bottom:4px;\"\u003eImportant Safety Information\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; color:#333; line-height:1.6;\"\u003eThis is a \u003cstrong\u003emains-voltage (230V) electrical device\u003c\/strong\u003e. All wiring and electrical connection work must be carried out by a competent person in accordance with BS 7671 (IET Wiring Regulations) and current Part P Building Regulations. Always isolate the electrical supply before removing or fitting the actuator.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#E6F4F3; border-left:4px solid #008377CF; border-radius:6px; padding:14px 16px; margin:18px 0;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; font-size:14px; margin-bottom:4px;\"\u003eGood to Know\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; color:#333; line-height:1.6;\"\u003eThe \u003cstrong\u003efull model reference is ZA5\/679-2\u003c\/strong\u003e and the valve is built from separately orderable parts: the \u003cstrong\u003e679-2 valve body\u003c\/strong\u003e and the \u003cstrong\u003eZA5 actuator\u003c\/strong\u003e can each be replaced independently, so a failed motor doesn't mean replacing the whole valve.\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=\"border:1px solid #D9EDEA; border-radius:8px; overflow:hidden; margin:18px 0 28px 0;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; letter-spacing:.05em; text-transform:uppercase; padding:10px 16px;\"\u003eIdentification\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eManufacturer Part Number (MPN)\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e27100\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eModel Reference\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003eZA5\/679-2\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eBrand\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003eDrayton\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eCountry of Origin\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003eUK\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; letter-spacing:.05em; text-transform:uppercase; padding:10px 16px;\"\u003eValve\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eValve Type\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e2-Port, normally-closed zone valve\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eNumber of Ports\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e2\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eConnections\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e22mm compression (copper pipe)\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eValve Body Material\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003eBrass forging\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eKv Value\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e4.8\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eMaximum Differential Pressure\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e0.7 bar\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eMaximum Static Pressure\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e8.6 bar\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eWater Temperature Range\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e2°C to 93°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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eMaximum Ambient Temperature\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e52°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; letter-spacing:.05em; text-transform:uppercase; padding:10px 16px;\"\u003eActuator \u0026amp; Electrical\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eActuator Type\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003eSnap-on, 230V synchronous motor\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eMotor Supply\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e230V AC, 50Hz, 5W\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eValve Operation\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003eEnergise to open; spring return to close\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eMotor Opening Time\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003eApprox. 14 seconds\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eSpring Return Time\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003eApprox. 6 seconds\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eEnd Switch Type\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e5-wire SPST auxiliary switch\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eSwitch Rating\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e24V–230V AC, 3(1)A\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eCable\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e1m, 5-core flex\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; letter-spacing:.05em; text-transform:uppercase; padding:10px 16px;\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eWidth\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e110mm\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eHeight\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e120mm\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eDepth\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e70mm\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eMinimum Head Clearance\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e40mm\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eMinimum Side Clearance (from spindle centre)\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e60mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; letter-spacing:.05em; text-transform:uppercase; padding:10px 16px;\"\u003eStandards \u0026amp; Warranty\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eCompliance\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003eEN 60730-1\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 44%; padding:10px 16px; font-weight:600; color:#333; font-size:14px;\"\u003eManufacturer Guarantee\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#222; font-size:14px;\"\u003e1.5 years\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;\"\u003eTypical Applications\u003c\/div\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003e\u003cstrong\u003eTwo-port S-Plan systems\u003c\/strong\u003e providing independent control of central heating and stored hot water zones.\u003cbr\u003e\u003cstrong\u003eZoned heating systems\u003c\/strong\u003e in small to medium homes using 22mm primary pipework.\u003cbr\u003e\u003cstrong\u003eReplacement valve\u003c\/strong\u003e for existing 22mm Drayton or compatible 2-port valves wired with the standard 5-wire zone-valve scheme.\u003c\/p\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;\"\u003eInstallation Notes\u003c\/div\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eInstall the \u003cstrong\u003ebrass valve body\u003c\/strong\u003e observing the correct flow direction arrow, using clean, deburred pipework and suitable jointing on the 22mm compression fittings.\u003cbr\u003eFit or replace the \u003cstrong\u003esnap-on actuator\u003c\/strong\u003e after pressure testing where possible, and always isolate the mains electrical supply before any electrical work.\u003cbr\u003eWire the valve using the standard \u003cstrong\u003e5-wire SPST zone valve diagram\u003c\/strong\u003e via an appropriate wiring centre, interlocked with room and cylinder thermostats and boiler controls.\u003cbr\u003ePosition the valve so the actuator, manual lever and position indicator remain \u003cstrong\u003eaccessible for future servicing\u003c\/strong\u003e and diagnostics.\u003c\/p\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\u003eWhat is the difference between MPN 27100 and the model reference ZA5\/679-2?\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;\"\u003eThey refer to the \u003cstrong\u003esame product\u003c\/strong\u003e. 27100 is Drayton's ordering part number for the complete valve and actuator assembly, while ZA5\/679-2 is the underlying model reference combining the ZA5 actuator with the 679-2 valve body.\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 the actuator be replaced without draining the heating system?\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 \u003cstrong\u003esnap-on actuator\u003c\/strong\u003e clips off the valve body at the push of a release button, so the actuator or motor can be swapped without needing to drain down the system.\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 this valve suitable for hot water zoning as well as heating?\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. As a \u003cstrong\u003e2-port normally-closed valve\u003c\/strong\u003e, it is commonly used to independently control either the heating circuit or the hot water cylinder circuit in an S-Plan system.\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 wiring standard does this valve use?\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;\"\u003eIt uses the \u003cstrong\u003eindustry-standard 5-wire SPST wiring scheme\u003c\/strong\u003e common to most UK 2-port zone valves, allowing it to be wired through a standard heating wiring centre and to replace most other makes using the same scheme.\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 happens to the valve if there is a power cut?\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 valve is \u003cstrong\u003espring-return\u003c\/strong\u003e and fails safe: if power is lost, the spring drives the valve fully closed within approximately 6 seconds.\u003c\/div\u003e\u003c\/details\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Drayton Controls","offers":[{"title":"Default Title","offer_id":65797382373725,"sku":"P27100","price":99.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/Drayton22mmMotorised2PortZoneValvePackof2P27100.jpg?v=1788420912","url":"https:\/\/qualityheating.co.uk\/products\/drayton-22mm-motorised-2-port-zone-valve-snap-on-actuator-5-wire-spst-switch-pack-of-2-p27100","provider":"AIZO Quality Heating","version":"1.0","type":"link"}