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When troubleshooting Lennox furnace noise or checking HVAC inducer motor specs
this model is designed strictly for 1 Heat / 1 Cool stage systems
Refined Technical Build: Features a stainless steel bellows and a compact angle design for reliable installation in restricted spaces
Common Questions What is the purpose of a blower cut off plate
Sensus 143-IRV-3/4X1 Regulator 318172-701 When troubleshooting Lennox furnace noiseThe Sensus 143 IRV 3 4X1 is a field proven domestic service gas regulator engineered for precision in residential and light commercial applications. This specific configuration features a 3 4" x 1" NPT straight body connection and a 3 8" stainless steel orifice, designed to handle moderate flow requirements while maintaining stable outlet pressures. Equipped with a Green Spring, the unit provides a reliable 6" to 14" w. c. outlet pressure range,
US$ 49.99
US$ 19.89
US$ 49.00
US$ 49.00
