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As a genuine HVAC contactor replacement
Use a multimeter set to the ohm scale and compare the resistance at a known temperature against the Laars service manual resistance chart
Its sturdy construction helps prevent the accumulation of harmful gases by maximizing fresh air delivery to the burner assembly
this assembly facilitates optimal atmospheric or power-vented combustion by maintaining a consistent gas-to-air ratio
Tjernlund Products VH1-4 Aluminum Hood 321142-301 As a genuine HVAC contactorThe Tjernlund VH1 4 is a professional grade 4 inch aluminum vent hood engineered specifically for side wall vent systems and horizontal terminations of gas fired equipment. This heavy duty assembly is constructed from 20 gauge corrosion resistant aluminum, ensuring a long service life even when exposed to high temperature flue gases up to 550F gross. Designed to maintain the structural integrity of the buildings exterior, the VH1 4 features an