Reduced Pressure Zone Assembly Series Watts 994 Size 2 1/2 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max Temp 110 Degrees F Max Pressure 175 psi Width 7 in Length 37 in Height 9 3/8 in Features NRS Shutoff Short Lay Length Standards AWWA C511-92 CSA B64.5 UL Classified Compliance ASSE 1013 CSA B64.5 UL Classified (OSY Only) FM Approved 2-1/2 in to 10 in OSY Only USC (2-1/2 in to 6 in)