and 88 series

This specific model features a 5/16-inch diameter

High-Grade Construction: Features a high-tensile stainless steel rod and a heavy-duty ceramic sleeve to resist thermal cracking and oxidation

ensure you check for restricted ductwork or a failing furnace inducer motor that might be causing actual overheat conditions before concluding the switch is defective

High Temperature Stability: Developed for hydronic heating systems and steam applications with a high melting point to prevent runoff

Rheem-Ruud 42-24195-03 Pressure Switch Els PW 17895 and 88 seriesThe Rheem Ruud 42 24195 03 is a precision calibrated HVAC pressure switch engineered specifically for condensate drain monitoring in high efficiency gas furnaces and air handlers. Set at a fixed . 40" WC (Water Column) actuation point, this differential pressure switch functions as a critical safety limit, ensuring the inducer motor or burner circuit is interrupted if moisture accumulation or venting obstructions occur. As a genuine Rheem OEM