As an authentic OEM Goodman replacement part

measure the actual vacuum pressure from the inducer port

The Antunes Controls 8221210034 is a precision-engineered Air Differential Pressure Switch designed for high-accuracy sensing in HVACR applications

As an inner spring

Replacing a degraded or cracked combustion chamber target wall during standard service intervals restores the designed heat transfer patterns

Conbraco 24-301-00 Gauge 30067439-890 As an authentic OEM GoodmanThe Conbraco 24 301 00 is an industrial grade rough bronze liquid level gauge designed for demanding HVACR and boiler applications. Engineered with a heavy pattern bronze valve body, this set features 1 2" NPT male pipe connections and comes standard with 5 8" OD x 12" high pressure glass. The assembly utilizes high performance PTFE with Hypalon glass seals and braided PTFE with Aramid stem packing to ensure leak free operation under thermal cycling.