Reznor 234712 Switch a professional-grade 2-pole definite purpose

a professional-grade 2-pole definite purpose contactor engineered for demanding air conditioning and heat pump applications

and hearth systems

This 40VA control transformer serves as the direct replacement for 025-18452-000

and 6" stainless steel paddles to accommodate diverse pipe diameters and flow velocities

and low-pressure steam service

Reznor 234712 Switch a professional-grade 2-pole definite purposeThe 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