Watts LFM115 150 PI 1 1 2 Part of the LFM115 Series ZA100F 6NH Specifications Air Valve No Brand Specifications Air Valve No Brand Watts Buy American Act Compliant NO Case Material Steel Dial Size 2 1 2 IN EAN 098268589481 Entry Style Back Inlet Connection Size 1 2 IN Inlet Connection Type Male Threaded Lead Free YES Manual Shutoff No Maximum Operating Temperature Fahrenheit 320 Minimum Temperature Fahrenheit 60 Part Number 0121685 Pressure Scale 0 to 50 PSI Sensing Element Yes Sensing Fluid No Series LFDPTG 3 Stem Shaft Material Lead Free Brass Temperature Range 60 to 320 degrees F Thermostat Probe Length Does Not Apply To Product Thermowell No VR Retaining Valve Yes Specification Sheet LFDPTG 3 UPC 098268433920 The quick closing action of the valve limits possible damaging high inlet pressure from passing through the valve to downstream piping a patented 3 part advanced epoxy coating system designed to limit both microbial induced (MIC) and exposed metal substrate corrosion