Resideo V4043A1002 Zone Valve 320788-703 Verify 24V across the bottom

Verify 24V across the bottom heater terminals

the 20212407 maintains the balance between the high-pressure and low-pressure sides of the AC system

Common Questions & Technical Support Can the RV47L-3/8 be installed upside down

and zone dampers to ensure you do not exceed the 1

or 0-10VDC control inputs simplify stock and replacement workflows

Resideo V4043A1002 Zone Valve 320788-703 Verify 24V across the bottomThe Resideo V4043A1002 Zone Valve is a reliable, high performance solution for controlling the flow of hot or chilled water in closed loop systems. This 120V hydronic zone valve features a 1 2 inch flare connection and is designed with a normally closed configuration, utilizing a spring return to close mechanism for fail safe operation. Built for durability in demanding environments, it incorporates a brass body, a corrosion resistant stainless steel