Resideo V8043G1018 Valve 320735-701 it supports 3-phase motor loads

it supports 3-phase motor loads up to 10 HP at 480 VAC

Direct OEM Replacement: Matches factory lead lengths and terminal gauges to ensure a drop-in fit without wire modification

the VCZZ1600 provides a reliable seal and smooth plug travel

this 3/4-inch union threaded mixing valve mounts directly to the water heater hot outlet

and P28DA-1 (note: replacing P28DA-1 requires two units)

Resideo V8043G1018 Valve 320735-701 it supports 3-phase motor loadsThe Resideo V8043G1018 is a heavy duty 24V motorized zone valve designed for precise flow control in closed loop hydronic heating systems. Featuring a 3 4" sweat connection and a normally closed (N C) configuration, this low voltage operator is a standard for professional contractors managing multi zone installations. The internal end switch allows for seamless boiler control wiring, ensuring the circulator pump only activates when the valve is fully