Resideo V8043J1037 Valve 318172-701 check for the "8320" series

check for the "8320" series designation and verify if your unit uses an AC coil

leading to system shutdowns

C) cut-out rating ensures rapid response to abnormal combustion patterns or blocked flues

35" outside diameter and is engineered for use with SK series bushings

which can lead to expensive heat exchanger replacements or total system failure

Resideo V8043J1037 Valve 318172-701 check for the "8320" seriesThe Resideo V8043J1037 Zone Valve is a heavy duty, 2 way normally open zone valve engineered specifically for controlling the flow of low pressure steam and hot water in hydronic systems. Built with a rugged brass body and a stainless steel stem, this motorized valve is rated for a maximum close off pressure of 20 psi and a static pressure of 125 psi. The 3. 5 Cv flow coefficient ensures efficient delivery through 3 4 inch NPT threaded connections,