McDonnell & Miller 317354 Breaker and Gasket Els PW 17895 This is a pilot duty

This is a pilot duty safety switch designed for 24V control circuits

this is specifically a 3/4" sweat connection

the bronze construction and EPDM seating are compatible with standard water and glycol heating media up to the 250

Key Benefits: Precise Flow Control: The 1

Using a single-pole single-throw (SPST) configuration

McDonnell & Miller 317354 Breaker and Gasket Els PW 17895 This is a pilot dutyThe McDonnell & Miller 317354 is the critical TC V vacuum breaker and gasket assembly engineered for high performance hot water boiler systems. This specific mechanical component is a direct fit solution for the upper valve of Series TC 4 Test N Check configurations, allowing for the rapid evacuation of water from the float chamber during routine diagnostics. By admitting atmospheric air when a vacuum condition occurs, the model TC V prevents back