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Heating Supply New York City
4th Ave Burner & Heating Supply in New York City. offers Honeywell Pressure Controls are use for steam boiler operation. Standard operating Pressuretrols that break on pressure rise include PA404A1009 and L404F1060. Manual reset Pressure controls shut off boiler if the rise in steam pressure exceeds the pressure setting on the operating pressuretrol. Popular models include L4079B1033.