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Verify the millivolt output at the gas valve terminals using a multimeter
ensuring that fans are operating and filters are clear before system ignition or operation continues
you can safely use a 40 amp contactor to replace a 30 amp unit
and building management systems
Antunes Controls 8224212004 Pressure Switch Els PW 17895 Verify the millivolt output atThe 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