When the valves preset pressure is exceeded (model has an adjustment screw that you can adjust in the field)

Unit features Automatic activation with brushed stainless steel cover

18 Gauge Stainless Steel 14' x 17

Integral lid connected to water valve

Bradley S53-046 Tee 1/8" Tube Connector(3) Replacement Part

WEG Evaporative Cooler Motor, Capacitor-Start/Run, Open Dripproof, 1/3, 1 HP - 00182OS1AEC56 Height-36" When the valves preset pressureEvaporative Cooler Motors,Ring dia. 2 1 2" Enclosure: open dripproof Service factor: 1. 0 Insulation: Class B Max. ambient: 40C Thermal protection: auto Bearings: ball Rotation: CWSE,Epoxy paint over a layer of zinc phosphate helps prevent corrosion. For use in evaporative coolers, exhaust fans, blowers, and air conditioning equipment.,UL Recognized.