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

This component is foundational for restoring the AFUE efficiency of residential and light commercial gas-fired boilers while ensuring stable pilot ignition and consistent heat transfer across the heat exchanger sections

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

Compatibility spans multiple York furnace models

and hearth systems

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