Dual Check Valve w Atmosheric Vent, Series 4A-400, Size 3/4 In., Connection NPT x NPT, Body Material Brass, Temp. Range 33 Degrees to 250 Degrees F, Max. Temp. 250 Degrees F, Max. Pressure 175 psi, Width 1 29/32 in, Length 5 in, Height 3-13/64 In.,...