Honeywell V8043F1036/U Zone Valve 2 Position 2 Way Straight Through with End Switch 3/4" Sweat 3.5Cv 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 Actuator motor may be replaced without removing the valve body or draining the system If you are not satisfied for any reason products may be returned within 30 days of shipment for a credit or exchange (provided the product is undamaged), except where noted, NOT RETURNABLE. Return documentation should clearly specify credit or exchange. Returned items must be in the original packaging. All returns must include a return authorization (RGA) number that can be obtained by contacting our Customer Service Department. Original shipping cost deducted. Reference to brand names and numbers are for reference only, and not meant to imply that they are made by that manufacturer (OEM). Sometimes images shown are generic and not meant to infer that they are actual. The parts will work as intended and are high quality and precision tested. Track Page Views With Auctiva's FREE Counter