Watts LF25AUB DU PR CEF Z3 1 Part of the LF25AUB Z3 Series roof hatch finder while the tractor style grate handles while the tractor style grate handles heavy loads and resists tilt Specifications Air Precharge 12 PSI Air Valve Yes Bladder Material Butyl Brand Watts Buy American Act Compliant NO Color Gray Diameter 8 IN EAN 098268219340 Electricity Required No Fuel Gauge No Inlet Connection Size 1 2 IN Inlet Connection Size Metric 15 MM Inlet Connection Type Male Threaded Inlet Thread Type NPT Lead Free Not In Scope Liner Material Does Not Apply To Product Maximum Operating Temperature Fahrenheit 220 Maximum Working Pressure PSI 75 Mount Type Pipe Orientation Vertical Horizontal Part Number 0066605 Series ETX Stand Included No Tank Acceptance 1 Gallon at 12 PSI Tank Height 12 1 2 IN Tank Material Carbon Steel Tank Volume 2 5 to 82 degrees C) Sealed spring cage with stainless steel cage screws