The Buna-N (NBR) seals included are standard for general service applications including air

Durable Construction: Features a leak-proof hermetic design with an all-brass body and copper connections for longevity in harsh environments

making it a drop-in HVAC potential relay replacement

72mm outside diameter

and PGD series units

Amana-Goodman 10207901 Pressure Switch Els PW 17895 The Buna-N (NBR) seals includedThe Amana Goodman 10207901 Pressure Switch is a critical safety component for high efficiency gas furnaces. Engineered with a 0. 90" WC setpoint and a Single Pole Single Throw (SPST) configuration, this OEM part ensures the inducer motor is generating sufficient negative pressure before the ignition sequence begins. Designed for compatibility with various Goodman and Amana models, it features dual 1 4" barb connections for secure pneumatic tubing