{"product_id":"drayton-za5-5-wire-230v-zone-valve-actuator-27650-spst-switch","title":"Drayton ZA5 5-Wire 230V Zone Valve Actuator | 27650 | SPST Switch","description":"\u003c!-- SEO Product Name: Drayton ZA5 5-Wire 230V Zone Valve Actuator | 27650 | SPST Switch --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px;\"\u003e\n\n  \u003cp style=\"margin:0 0 16px 0; line-height:1.6;\"\u003eThe \u003cstrong\u003eDrayton ZA5\u003c\/strong\u003e is a genuine replacement \u003cstrong\u003e5-wire zone valve actuator\u003c\/strong\u003e for Drayton's ZA5\/679 range of 22mm 2-port and 3-port motorised valves. It uses Drayton's \u003cstrong\u003e\"snap-on\" fitting system\u003c\/strong\u003e, so the whole actuator head lifts straight off the valve body at the push of a release button — no tools, no re-plumbing, and no need to drain and refit compression fittings. If your existing ZA5 actuator has failed, seized, or is triggering a \"no heat\" or \"no hot water\" fault, this part restores the valve to full working order in minutes.\u003c\/p\u003e\n\n  \u003cp style=\"margin:0 0 20px 0; line-height:1.6;\"\u003eIt's built to the same \u003cstrong\u003e230V, 5-watt\u003c\/strong\u003e specification as the original equipment, carries a \u003cstrong\u003e3(1)A SPST auxiliary switch\u003c\/strong\u003e for boiler interlock wiring, and retains the \u003cstrong\u003emanual lever with valve position indicator\u003c\/strong\u003e so the valve can be opened by hand for filling, draining, or diagnosing a system fault.\u003c\/p\u003e\n\n  \u003c!-- Stat strip --\u003e\n  \u003cdiv style=\"display:flex; flex-wrap:wrap; gap:12px; margin-bottom:24px;\"\u003e\n    \u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; padding:14px 12px; border-radius:6px; text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:20px; font-weight:bold;\"\u003e230V\u003c\/div\u003e\n      \u003cdiv style=\"font-size:12px;\"\u003e50Hz, 5W\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; padding:14px 12px; border-radius:6px; text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:20px; font-weight:bold;\"\u003e5-Wire\u003c\/div\u003e\n      \u003cdiv style=\"font-size:12px;\"\u003eSPST switch\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; padding:14px 12px; border-radius:6px; text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:20px; font-weight:bold;\"\u003e3(1)A\u003c\/div\u003e\n      \u003cdiv style=\"font-size:12px;\"\u003eSwitch rating\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; padding:14px 12px; border-radius:6px; text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:20px; font-weight:bold;\"\u003e14s \/ 6s\u003c\/div\u003e\n      \u003cdiv style=\"font-size:12px;\"\u003eOpen \/ spring-return\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; padding:14px 12px; border-radius:6px; text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:20px; font-weight:bold;\"\u003e8.6 bar\u003c\/div\u003e\n      \u003cdiv style=\"font-size:12px;\"\u003eMax static pressure\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; padding:14px 12px; border-radius:6px; text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:20px; font-weight:bold;\"\u003e2 Years\u003c\/div\u003e\n      \u003cdiv style=\"font-size:12px;\"\u003eGuarantee\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Amber compatibility callout --\u003e\n  \u003cdiv style=\"background:#fff8e1; border-left:4px solid #f5a623; padding:14px 16px; border-radius:4px; margin-bottom:20px;\"\u003e\n    \u003cstrong\u003eCheck before ordering:\u003c\/strong\u003e This is a \u003cstrong\u003e5-wire, 230V, SPST\u003c\/strong\u003e actuator for the \u003cstrong\u003eDrayton ZA5\/679\u003c\/strong\u003e 22mm 2-port and 3-port diverter valve bodies. It is not interchangeable with the 6-wire ZA6 (SPDT, for 28mm ZA6\/779 valves) or with the 24V ZA5A variant. Confirm the valve body model and voltage stamped on your existing actuator before fitting a replacement.\n  \u003c\/div\u003e\n\n  \u003c!-- Feature grid --\u003e\n  \u003cdiv style=\"display:flex; flex-wrap:wrap; gap:14px; margin-bottom:24px;\"\u003e\n    \u003cdiv style=\"flex:1; min-width:250px; border:1px solid #e0e0e0; border-radius:6px; padding:14px 16px;\"\u003e\n      \u003cdiv style=\"color:#008377CF; font-weight:bold; margin-bottom:6px;\"\u003eSnap-On Fitting\u003c\/div\u003e\n      \u003cdiv style=\"line-height:1.5;\"\u003eThe \u003cstrong\u003eactuator releases at the push of a button\u003c\/strong\u003e and lifts clear of the valve body — no draining or unsoldering the pipework to swap it out.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1; min-width:250px; border:1px solid #e0e0e0; border-radius:6px; padding:14px 16px;\"\u003e\n      \u003cdiv style=\"color:#008377CF; font-weight:bold; margin-bottom:6px;\"\u003e100% Tight Shut-Off\u003c\/div\u003e\n      \u003cdiv style=\"line-height:1.5;\"\u003eSpring-return action drives the valve fully closed when de-energised, giving a \u003cstrong\u003ecomplete, drip-free shut-off\u003c\/strong\u003e rather than a partial close.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1; min-width:250px; border:1px solid #e0e0e0; border-radius:6px; padding:14px 16px;\"\u003e\n      \u003cdiv style=\"color:#008377CF; font-weight:bold; margin-bottom:6px;\"\u003eManual Lever \u0026amp; Indicator\u003c\/div\u003e\n      \u003cdiv style=\"line-height:1.5;\"\u003eA built-in \u003cstrong\u003emanual override lever\u003c\/strong\u003e with visible \u003cstrong\u003evalve position indicator\u003c\/strong\u003e lets you open the valve by hand and see its status at a glance.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1; min-width:250px; border:1px solid #e0e0e0; border-radius:6px; padding:14px 16px;\"\u003e\n      \u003cdiv style=\"color:#008377CF; font-weight:bold; margin-bottom:6px;\"\u003eSPST Auxiliary Switch\u003c\/div\u003e\n      \u003cdiv style=\"line-height:1.5;\"\u003eThe integral \u003cstrong\u003e3(1)A SPST switch\u003c\/strong\u003e provides the boiler interlock signal, following the same \u003cstrong\u003eindustry-standard 5-wire colour code\u003c\/strong\u003e as the original actuator.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1; min-width:250px; border:1px solid #e0e0e0; border-radius:6px; padding:14px 16px;\"\u003e\n      \u003cdiv style=\"color:#008377CF; font-weight:bold; margin-bottom:6px;\"\u003eReplaceable Motor\u003c\/div\u003e\n      \u003cdiv style=\"line-height:1.5;\"\u003eInternal components including the \u003cstrong\u003emotor pack\u003c\/strong\u003e are individually serviceable, extending the working life of the actuator beyond a single fault.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1; min-width:250px; border:1px solid #e0e0e0; border-radius:6px; padding:14px 16px;\"\u003e\n      \u003cdiv style=\"color:#008377CF; font-weight:bold; margin-bottom:6px;\"\u003eDirect OE Replacement\u003c\/div\u003e\n      \u003cdiv style=\"line-height:1.5;\"\u003eMatches the \u003cstrong\u003eoriginal equipment specification\u003c\/strong\u003e exactly, so no rewiring, recalibration, or valve body changes are needed.\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Spec table --\u003e\n  \u003cdiv style=\"border:1px solid #e0e0e0; border-radius:6px; overflow:hidden; margin-bottom:24px;\"\u003e\n    \u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:bold; padding:10px 16px;\"\u003eTechnical Specification\u003c\/div\u003e\n\n    \u003cdiv style=\"display:flex; padding:10px 16px; background:#f7f7f7;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eManufacturer part code\u003c\/div\u003e\n      \u003cdiv style=\"flex:1; font-weight:bold;\"\u003e27650\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eModel reference\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003eZA5\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px; background:#f7f7f7;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eCompatible valve bodies\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003eZA5\/679-2 (22mm 2-port), ZA5\/679-3 (22mm 3-port diverter)\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eWiring\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003e5-wire, industry-standard colour code\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px; background:#f7f7f7;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eSwitch type\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003eSPST\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eSwitch rating\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003e3(1)A, 230V AC\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px; background:#f7f7f7;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eOperating voltage\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003e230V AC, 50Hz\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003ePower consumption\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003e5W\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px; background:#f7f7f7;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eValve operation\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003eEnergise to open; spring return to close\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eOperating time\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003e14 seconds motor-driven open; 6 seconds spring-return close\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px; background:#f7f7f7;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eMaximum static pressure\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003e8.6 bar\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eWater temperature range\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003e2°C to 93°C\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px; background:#f7f7f7;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eMaximum ambient temperature\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003e52°C\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eSystem fuse rating\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003e3A minimum\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px; background:#f7f7f7;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eCable length\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003e1m (not field replaceable)\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eFitting type\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003eSnap-on \/ push-button release\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px; background:#f7f7f7;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eManual override\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003eYes, with valve position indicator\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eGuarantee\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003e2 years\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:flex; padding:10px 16px; background:#f7f7f7;\"\u003e\n      \u003cdiv style=\"flex:1;\"\u003eWeight\u003c\/div\u003e\n      \u003cdiv style=\"flex:1;\"\u003e0.559kg\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Red safety callout --\u003e\n  \u003cdiv style=\"background:#fdecea; border-left:4px solid #d93025; padding:14px 16px; border-radius:4px; margin-bottom:24px;\"\u003e\n    \u003cstrong\u003eImportant:\u003c\/strong\u003e This is a mains 230V electrical component. Wiring must be carried out by a \u003cstrong\u003ecompetent electrician\u003c\/strong\u003e in accordance with \u003cstrong\u003eBS 7671\u003c\/strong\u003e current IET regulations, the valve must be correctly earthed, and the electrical supply must be isolated before fitting or removing the actuator. Do not attach the actuator until the valve body has been fitted and all pipework connections are complete.\n  \u003c\/div\u003e\n\n  \u003c!-- FAQ --\u003e\n  \u003cdiv style=\"margin-bottom:12px;\"\u003e\n    \u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:bold; padding:10px 16px; border-radius:6px 6px 0 0;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\n    \u003cdetails style=\"border:1px solid #e0e0e0; border-top:none; padding:12px 16px;\"\u003e\n      \u003csummary style=\"font-weight:bold; cursor:pointer;\"\u003eWhich valves is the Drayton ZA5 actuator compatible with?\u003c\/summary\u003e\n      \u003cp style=\"margin:10px 0 0 0; line-height:1.6;\"\u003eThe ZA5 (27650) fits the \u003cstrong\u003eDrayton ZA5\/679 22mm 2-port zone valve\u003c\/strong\u003e and the \u003cstrong\u003eDrayton ZA5\/679 22mm 3-port diverter valve\u003c\/strong\u003e. It is not compatible with the 28mm ZA6\/779 range, which uses a 6-wire SPDT actuator instead.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails style=\"border:1px solid #e0e0e0; border-top:none; padding:12px 16px;\"\u003e\n      \u003csummary style=\"font-weight:bold; cursor:pointer;\"\u003eDo I need to drain the system to replace the actuator?\u003c\/summary\u003e\n      \u003cp style=\"margin:10px 0 0 0; line-height:1.6;\"\u003eNo. Thanks to Drayton's \u003cstrong\u003esnap-on design\u003c\/strong\u003e, the actuator lifts off the valve body independently of the pipework once the electrical supply is isolated and the wiring is disconnected. The valve body and compression fittings stay in place.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails style=\"border:1px solid #e0e0e0; border-top:none; padding:12px 16px;\"\u003e\n      \u003csummary style=\"font-weight:bold; cursor:pointer;\"\u003eCan I fit this actuator myself?\u003c\/summary\u003e\n      \u003cp style=\"margin:10px 0 0 0; line-height:1.6;\"\u003eThe mechanical fitting is straightforward, but the electrical connection must be made by a \u003cstrong\u003ecompetent electrician\u003c\/strong\u003e in line with \u003cstrong\u003eBS 7671\u003c\/strong\u003e IET wiring regulations, since this is a mains 230V component that also carries a boiler interlock switch circuit.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails style=\"border:1px solid #e0e0e0; border-top:none; padding:12px 16px;\"\u003e\n      \u003csummary style=\"font-weight:bold; cursor:pointer;\"\u003eWhat does the SPST auxiliary switch do?\u003c\/summary\u003e\n      \u003cp style=\"margin:10px 0 0 0; line-height:1.6;\"\u003eThe \u003cstrong\u003eSPST switch\u003c\/strong\u003e signals the boiler once the valve has driven fully open, forming part of the \u003cstrong\u003eboiler interlock\u003c\/strong\u003e so the boiler only fires when there's an open path for heated water to flow.\u003c\/p\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Drayton Controls","offers":[{"title":"Default Title","offer_id":66021217632605,"sku":"27650","price":63.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/Drayton-ZA5-5-Wire-230V-Zone-Valve-Actuator-SPST-Switch.jpg?v=1790255667","url":"https:\/\/qualityheating.co.uk\/products\/drayton-za5-5-wire-230v-zone-valve-actuator-27650-spst-switch","provider":"AIZO Quality Heating","version":"1.0","type":"link"}