Resideo V4043A1705 Zone Valve 326010-701 This HVAC phase monitoring relay

This HVAC phase monitoring relay features a compact design for easy integration into existing control panels

This specific B-Series model typically features a fixed or limited adjustable deadband designed to provide reliable snap-action switching

it is rated for ambient temperatures as low as -20°F

The Chevron Pneumatic Tubing 1063772 is a professional-grade solution for technicians requiring reliable 1/4" OD pneumatic tubing for complex building automation and HVAC control environments

Resideo V4043A1705 Zone Valve 326010-701 This HVAC phase monitoring relayThe Resideo V4043A1705 Zone Valve is a heavy duty 120V motorized valve designed for precision control of hydronic systems. Featuring a 3 4" NPT connection and a Normally Closed (NC) configuration, this unit utilizes a spring return mechanism to ensure positive closure during power loss. With a 3. 5 Cv flow capacity and a 20 PSI maximum close off pressure, it is engineered for standard residential and light commercial boiler loops. The brass body,