Featuring a robust 316 stainless steel body and a 1-inch NPT connection

Industrial Precision: Utilizes PTC technology for linear response and reliable signal transmission over longer wire runs compared to standard NTC thermistors

This DSI module eliminates the need for a standing pilot

supply air temperature

Avoid mounting the actuator below the horizontal plane to prevent moisture buildup in the diaphragm

Resideo L8148A1017 Relay 322057-301 Featuring a robust 316 stainlessThe Resideo L8148A1017 High Limit Aquastat Relay is a specialized immersion type controller designed for 120Vac forced hydronic heating systems. This unit provides critical high limit protection while functioning as the primary switching relay for both burner and circulator motors. Engineered for high demand residential and commercial boilers, it features a 140 240 degree high limit operating range with a fixed 8 degree differential. The SPST