Confirm the 1/2" bore size

preventing evaporator flooding or starvation

reducing oxidation and extending the life of the sensor probe

This regulator features a standard spring range of 3" to 6" w

Insufficient inrush power may prevent the plunger from lifting against high system pressures

Lochinvar & A.O. Smith 100133548 Gasket Set 326058-756 Confirm the 1/2" bore sizeMaintain the peak efficiency of your commercial hydronic equipment with the Lochinvar & A. O. Smith 100133548 Gasket Set. This authentic flange gasket set is engineered to meet the high tolerance demands of the Lochinvar Knight and Crest boiler series, ensuring a robust, airtight seal between the blower, venturi, and gas train components. When conducting an annual maintenance service or addressing a leak on the heat exchanger top plate, using OEM