Watts 8 1/2 in x 5 1/4 in Boiler Feed Valve w/Backflow Preventer, FNPT and NPT Union - B911-M3 Capacity-16 oz 3 gallons of trash is

3 gallons of trash is built into the design

Material Vitreous China

Deck Plate & Under Counter Mixer

solidly fused plastic laminate with matte-finish melamine surfaces

Steel to steel support hinges with pneumatic gas shock mechanism that opens and closes unit smoothly

Watts 8 1/2 in x 5 1/4 in Boiler Feed Valve w/Backflow Preventer, FNPT and NPT Union - B911-M3 Capacity-16 oz 3 gallons of trash isCombination 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.