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Backflow Preventers

Honeywell backflow preventers keep heating and drinking water sources separate for safety and peace of mind. These products prevent heating system water from backflowing into potable water when supply pressure falls below system pressure.

FM Boiler Fill Valves

FM Boiler Fill Valves

Pressure regulating valve for automatic control of boiler feed water and other pressure reducing applications. Especially constructed for expansion tank mounting.

NK300S

NK300S

The NK300S Boiler Feed Combination serves as a boiler fill valve used in closed loop heating systems.