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Is a gasket included for moisture protection
this exhaust blower seal prevents the leakage of combustion byproducts
Replacement is necessary when the burner ports show signs of excessive corrosion
Designed to handle inductive loads without premature contact arcing
and potential safety hazards by disrupting the sealed combustion chamber's pressure
Resideo EA79A1004 Air Vent 321142-301 Is a gasket included forThe Resideo EA79A1004 Air Vent is a professional grade solution for purging air from high pressure mains and equipment in both hot and cold closed loop water systems. Designed with a heavy duty brass shell construction, this industrial grade automatic vent ensures quiet and efficient system operation by eliminating air pockets that cause airlock and noise. This 3 4" AutoAirVent W Shutoff includes a dual connection configuration with a 3 4 inch male