Watts 957RPDA DOSY GPM 2 1 2 Part of the 957RPDA Series ZA100F 8NH Specifications Air Venting No Vent Specifications Air Venting No Vent Body Material Brass Body Pattern Angle Bottom Tapping No Bottom Tapping Size Does Not Apply To Product Brand Watts Contact Rating Does Not Apply To Product EAN 098268602593 Fastfill Feature No Fill Tapping Size Does Not Apply To Product Float Chamber Connection Size Does Not Apply To Product Flow Rate Does Not Apply To Product GDS Status Registered Hydronic Item Type Steam Trap Inlet Connection Size 3 4 IN Inlet Connection Size Metric 20 MM Inlet Connection Type Male Threaded Inlet Thread Type NPT Lead Free Not In Scope Maximum Operating Temperature Fahrenheit 267 Maximum Pressure PSI 25 Maximum Steam Pressure PSI 25 Maximum Temperature Fahrenheit 267 Maximum Working Pressure PSI 25 Minimum Pressure PSI 25 This 3 inch flow measurement valve monitors system flow in medium to high flow rate HVAC units providing a highly accurate flow measurement No special tools required for servicing Specification Sheet 957RPDA (Spanish)