as skin oils can create hot spots that lead to premature failure

Universal Mounting Base: Features a versatile footprint for quick installation and replacement of various OEM contactors

Built as a direct replacement for the 45GG20AJ

Universal 5-Inch Fit: Precision-designed for 5" diameter blower motors with a standard 9" bolt circle

Reznor 234712 Switch as skin oils can createThe Reznor 234712 is a high precision air proving switch, specifically engineered for differential pressure sensing in gas fired heating systems. This HVAC pressure switch is a critical safety component designed to verify proper blower motor operation and adequate venting airflow before allowing the ignition sequence to proceed. As a genuine Reznor OEM replacement part, it ensures factory spec performance and tight tolerances, preventing common UDX