Two-way on-off low voltage valves consist of an actuator and valve assembly for controlling the flow of hot water.
Manual opener (on all models, except straight-through, normally open valves) for valve operation on power failure; valve returns to automatic position when power is restored|All models may be installed without disassembling the valve|Compact construction for easy installation|Complete powerhead may be removed or replaced without breaking plumbing line connections or draining the system|Quick fit pushbutton powerhead makes it easy to remove for service|Series 5000 replacement powerhead is backward compatible with series 1000 zone valves
Honeywell Home Zone Valve, 2-Way Low Voltage, Series: V8043, 1 in Nominal, C, 300 psi, 8 Cv, 24 VAC, 0.32 A, 50 to 200 deg F Water Temperature, 8 psi Differential, 18 in Lead, Brass, 4-3/8 in H x 3-1/2 in W x 2-3/8 in D, Import