Watts LFM116 GRV B 20 200 PI 8 Part of the LFM116 Series Hanes Geo This total rubber parts replacement This total rubber parts replacement kit is used for repairing the parts to the relief valve to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure Specifications Air Valve No Brand Watts Buy American Act Compliant NO Case Finish Chrome Case Material Steel Dial Size 3 IN EAN 098268590685 Entry Style Bottom Inlet Connection Size 1 2 IN Inlet Connection Type Male Threaded Lead Free YES Manual Shutoff No Maximum Operating Temperature Fahrenheit 140 Minimum Temperature Fahrenheit 32 Part Number 0121721 Pressure Scale Does Not Apply To Product Sensing Element Yes Sensing Fluid No Series LFTBR Stem Shaft Material Brass Temperature Range 32 to 140 degrees F Thermostat Probe Length 3 IN Thermowell Yes VR Retaining Valve No Window Material Kostil Polymer Specification Sheet LFTBR Globe body pattern with grooved end connections It is normally closed and quickly opens when upstream pressure exceeds the pilot setting