Antunes Controls 803112501 Pressure Switch Els PW 17895 you should find near-zero resistance

you should find near-zero resistance between terminals 1 and 2 (normally closed)

providing ample length for routing to the electrical cabinet or terminal block in most commercial split systems and rooftop units

it will de-energize the gas valve

If the inducer runs but the igniter fails to glow

it serves as a critical safety or operational limit to prevent overheating and ensure stable boiler output

Antunes Controls 803112501 Pressure Switch Els PW 17895 you should find near-zero resistanceThe Antunes Controls 803112501 is a high performance LGP A Low Gas Pressure Switch designed for precise monitoring of combustible gases in industrial and commercial burner systems. This manual reset SPDT pressure switch features an adjustable set point range of 1 6" W. C., ensuring critical safety shut off when pressure drops below the required threshold. Built for reliability in demanding environments, the unit includes a standard 1 4" NPT connection