Reznor 221228 Switch this OEM replacement part provides

this OEM replacement part provides dual-point thermal monitoring

It utilizes the same 1000 ohm nickel reference at 70

8 mm spade terminals

Industry best practice for HVACR maintenance requires inspecting the gasket whenever the burner is pulled for cleaning

Are these gaskets compatible with both bronze and cast iron headers

Reznor 221228 Switch this OEM replacement part providesMaintaining unit heater performance requires precise safety interlocks. The Reznor 221228 Switch is a high tolerance single pole single throw (SPST) safety device engineered to verify proper venting and combustion airflow before allowing the ignition sequence to proceed. This Reznor 221228 2. 30" WC SPST Pressure Switch is set to trigger at 2. 30 inches of water column, making it a critical component for Reznor unit heater maintenance and ensuring