{"product_id":"resideo-40003916-526-u-powerhead-for-v8043e-5000-series-zone-valve","title":"Resideo 40003916-526\/U Powerhead for V8043E 5000 Series Zone Valve","description":"Honeywell Home 40003916-526 Powerhead for V8043E 5000 Series Zone Valve\u003cbr\u003e\nA Honeywell Home replacement zone-valve powerhead used to restore actuator operation on compatible Honeywell hydronic zone valves when the correct service powerhead is required.\u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eKey Features\u003c\/b\u003e\u003cul\u003e\n\u003cli\u003eReplacement powerhead for the V8043E 5000 Series zone valve\n\u003c\/li\u003e\n\u003cli\u003eSupplied as a service powerhead assembly (the provided sources do not list electrical ratings, torque, or cycle timing)\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cb\u003eCompatibility \u0026amp; Applications\u003c\/b\u003e\u003cul\u003e\n\u003cli\u003eListed for V8043E 5000 Series zone valve applications.\n\u003c\/li\u003e\n\u003cli\u003eQ\u0026amp;A feedback indicates this powerhead is used as an upgrade\/retrofit on some earlier Honeywell zone valve bodies\n\u003c\/li\u003e\n\u003cli\u003eMust only be used where the manufacturer specifies this exact part number: 40003916-526.\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cb\u003eInstallation \u0026amp; Operation Notes\u003c\/b\u003e\u003cul\u003e\n\u003cli\u003eInstallation should be performed by a qualified hydronic\/heating technician.\n\u003c\/li\u003e\n\u003cli\u003eReference the zone valve and boiler\/hydronic system service documentation for correct shutdown, wiring verification, actuator mounting, and functional checkout.\n\u003c\/li\u003e\n\u003cli\u003eUser feedback emphasizes confirming fit before purchase; at least one review notes ordering the wrong item due to identification\/visual mismatch.\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cb\u003eMaintenance \u0026amp; Troubleshooting\u003c\/b\u003e\u003cul\u003e\n\u003cli\u003eCommon replacement scenarios in reviews include: a zone that won't open (no heat on that zone), a sticking valve\/powerhead, and nuisance noise\/water hammer concerns.\n\u003c\/li\u003e\n\u003cli\u003eQ\u0026amp;A and review feedback tie successful replacement to eliminating \"clunking\"\/water hammer in some systems and restoring normal zone operation - follow the system troubleshooting procedure before replacement.\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cb\u003eUser Reviews \u0026amp; Q\u0026amp;A Summary\u003c\/b\u003e\u003cul\u003e\n\u003cli\u003eFit\/upgrade themes: Many users describe it as an easy retrofit and report it works well as a replacement powerhead; multiple comments mention \"backwards compatible\" use on older valves.\n\u003c\/li\u003e\n\u003cli\u003ePerformance themes: Several users report it helped resolve sticking valves and reduced or eliminated water-hammer\/clunking noise.\n\u003c\/li\u003e\n\u003cli\u003eEase-of-install themes: Common feedback describes a quick swap (often around 15 minutes) and appreciation for having documentation to confirm fit.\n\u003c\/li\u003e\n\u003cli\u003eQ\u0026amp;A themes: Questions focus on backward compatibility\/retrofit use to reduce clunking and water hammer; one answer states it can be used on earlier-series valve bodies without replumbing and mentions included mounting screws.\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777460396256,"sku":"40003916-526\/U","price":152.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/191679584.jpg?v=1785764581","url":"https:\/\/thefirealarmsupplier.com\/products\/resideo-40003916-526-u-powerhead-for-v8043e-5000-series-zone-valve","provider":"The Fire Alarm Supplier","version":"1.0","type":"link"}