This prevents catastrophic heat exchanger failure and ensures the system operates within safe physical parameters

also identified as S1-025-15759-000

What valve sizes are compatible

this valve is specifically specified for the Weil McLain EG series and should be used on any water boiler where a 30 PSIG ASME relief valve with a 3/4" NPT female inlet is required

providing the precise head pressure and flow rate required to prevent thermal stacking and ensure efficient heat transfer across the heat exchanger

Schneider Electric (Erie) VM2317 Valve Body Els PW 17895 This prevents catastrophic heat exchangerThe Schneider Electric (Erie) VM2317 is a heavy duty, 2 way modulating valve body engineered for precise fluid control in hydronic heating and cooling systems. Built with a rugged forged brass construction, this 3 4 inch sweat connection zone valve is designed to integrate seamlessly into fan coil units, VAV reheat coils, and radiant manifolds. Featuring a high flow coefficient of 7. 5 Cv, the VM2317 provides superior throughput with minimal pressure