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The hard chrome plated ball and PTFE washers are designed for low-maintenance operation
The Wayne 20673 Blower Wheel is a critical combustion component engineered for integration with Wayne MSR Series oil burners
Enhanced System Protection: provides a manual reset switch mechanism that prevents automatic cycling after a dangerous high-temperature event
making it the standard choice for professional contractors maintaining large-scale float valve systems
particularly those configured for LP gas or high-altitude operation
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
