Nordyne 632487R Pressure Switch The hard chrome plated ball

The hard chrome plated ball and PTFE washers are designed for low-maintenance operation

making it the standard choice for professional contractors maintaining large-scale float valve systems

If it trips again immediate

it utilizes a standard strap-style bracket design that provides a stable

verify the SPST contacts close only when the vacuum reaches the -1

Nordyne 632487R Pressure Switch The hard chrome plated ballThe Nordyne 632487R Pressure Switch is the official OEM replacement part for the aging 632487 series, specifically engineered to maintain precise combustion safety in high efficiency gas furnaces. Rated at 0. 90" WC (water column), this Single Pole Single Throw (SPST) switch acts as a critical safety interlock by sensing the negative pressure generated by the inducer motor. If the draft inducer fails to meet the required vacuum setpoint due to a