Robertshaw 14023

Depth: 5 1/2 in

Includes: Complete Cartridge

Flow Rate (GPM) 53 64 72 81 90 99 108 117

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Watts 8 1/2 in x 5 1/4 in Boiler Feed Valve w/Backflow Preventer, FNPT and NPT Union - B911-M3 Height-36" Robertshaw 14023Combination backflow preventer and feed water pressure regulator in one pre assembled unit, this WATTS boiler feed valve with backflow preventer is for use in residential and commercial hydronic heating systems. Model provides make up water to the boiler and can prevent backflow when the supply pressure falls below the system pressure.