Honeywell v4044a1019 – motorized valve – sweat conn line volt the honeywell v4044a1019 120v 1/2 in. Sweat connection line voltage motorized zone valve consists of an actuator motor and valve assembly for controlling the flow of hot or chilled water. 120v 1/2 in. Sweat connection line voltage motorized zone valves with 4 cv capacity. features: the v4044a1019 includes a 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. May be installed without disassembling the valve with compact construction for easy installation. Complete powerhead may be removed or replaced without breaking plumbing line connections or draining the system. Motor may be replaced without removing the valve body or draining the system. Suitable for heating and cooling applications.