When your gas furnace starts then stops abruptly

and aluminum-to-copper transitions

What is the maximum pressure rating for this 1/4 inch tubing

Copper Connections: Solid copper ODF sweat ports facilitate faster

Antunes Controls 8224212004 Pressure Switch Els PW 17895 When your gas furnace startsThe Antunes Controls 8224212004 is a versatile differential pressure switch designed for demanding HVACR and industrial applications. This model JD 2 utilizes a nitrile diaphragm and single pole double throw (SPDT) switch configuration to ensure precise air pressure sensing. With an adjustable set point range of 0. 05" to 9" W. C., this component is essential for monitoring air proving, filter status, and combustion air flow in commercial systems. It