For Honeywell V8043E1012 Zone Valve Replacement Power Head (40003916-026) with Lid Model 40004850-001 - 2-Way 4-Wire Normally Closed, 24VAC 50/60Hz, 18" Leads & End Switch for Motor
PRECISE REPLACEMENT FOR HONEYWELL ZONE VALVES;Directly replaces Honeywell power head part numbers 40003916-012 (for V8043G zone valves) and 40003916-021 (for V8043A zone valves). Note: Not compatible with Honeywell 3-way valves (V8044E, V8044A). Includes the 802360JA motor, valve assembly, and lid (Model 40004850-001) for a complete, plug-and-play fix.
WIDE COMPATIBILITY WITH HONEYWELL SERIES;Fully compatible with Honeywell zone valve models: V8043E series (V8043E1061, V8043E1079, V8043E1020), V8043G (4-wire with end switch), and V8043A (2-wire without end switch or 4-wire with end switch). For older valves with 4 securing screws on the power head, a conversion kit (No. 40003918) is required. Confirm newer valves by checking for screws only on the upper left/lower right corners of the bottom plate.
PREMIUM DURABILITY & OEM-LEVEL PERFORMANCE;Manufactured by a professional zone valve motor supplier, meeting and exceeding OEM standards. Crafted from high-temperature, corrosion-resistant metal for long-term resilience. Precision-engineered and rigorously tested with boilers, circulation pumps, and thermostats to ensure smooth gear engagement (no slipping) and stable valve opening/closing. Backed by a 15-year lifespan for reliable, worry-free operation.
AUTOMATIC RESET WITH MANUAL OVERRIDE;Features a manual opener for emergency operation during power outages—simply flip the switch to maintain water flow. Automatically reverts to programmed automatic mode once power is restored. Important: Auxiliary switch remains inactive during manual operation. Prevents heating system failures, ensuring consistent hot water and warmth for your home, even in unexpected power disruptions.
EASY DIY INSTALLATION KIT INCLUDED;Comes with installation screws and detailed step-by-step instructions to simplify setup. Most installations take 30 minutes or less—no special tools required. Save on costly plumber fees with straightforward DIY assembly; online tutorial videos available for visual guidance. Perfect for homeowners and DIY enthusiasts looking for a quick, affordable fix.