the White-Rodgers F61-2301 Wall Plate is the professional standard

this component protects the heat exchanger from structural damage by interrupting the burner sequence if internal temperatures exceed safe operating parameters due to restricted airflow or blower failure

Engineered as a resistance temperature detector (RTD)

This hot surface igniter is rated for use with both LP and Natural Gas burners

use a multimeter to check for continuity instead

Lennox 24W98 Pressure Switch Els PW 17895 the White-Rodgers F61-2301 Wall PlateEnsure the safe and efficient operation of residential or commercial heating equipment with the Lennox 24W98 Pressure Switch. This factory authorized OEM replacement part is engineered for high precision monitoring of flue gas and combustion air pressure. Designed to actuate at . 31" WC, this SPST (Single Pole Single Throw) switch serves as a critical safety component, preventing the furnace from firing if proper venting is not detected. This unit