John Guest PI201208S PK10 Reducer Union Acetal, Push to Connect x Push to Connect, For 3 8 in x 1 4 in Tube OD, Gray, 10 PK 6654 Petroleum Based and Non Aggressive Petroleum Based and Non Aggressive 100 Grade B Pressure Gauge Type Fire Sprinkler System Gauge Freeze Resistant Movement No Movement Material Polyester Pointer Material Aluminum Lens Material Gauge Plastic Pressure Range Type Pressure Case Construction ABS Plastic Primary Scale Units psi Process Connection Location Bottom Accuracy Scale Mid Scale Compatible Process Media Air Reducer Union Potable Water Connection Type Push to Connect x Push to Connect Fitting Side A Connection Type Push to Connect Compatible Tube Material Plastic Includes Pre Applied Thread Sealant No Maximum Operating Temperature 150 Degrees F Fitting Side B Connection Type Push to Connect Fitting Material Acetal Minimum Operating Temperature 4 Degrees F Maximum Operating Pressure 150 psi End Connection Type Push to Connect Fitting Body Material Acetal For Tube OD 3 8 in x 1 4 in Fitting Shape Connector