How to Use an Evaporative Air Cooler Float Valve

Evaporative air coolers are simple but efficient, and it is an economical way of cooling buildings in dry climates. There are few parts and mechanisms in an evaporative air cooler (swamp cooler or desert cooler), but they do need occasional maintenance and upkeep. The float valve is important in controlling the water coming into the unit. evaporative air cooler.

1. Attach the float valve to the cooler by sliding the threaded end through the water inlet hole, leaving the float facing inside the cooler.
2. Slide the rubber washer over the threads on the valve.

                                        

3. Insert the water line into the float valve inlet and fasten by tightening the nut.

4. Turn on the water supply and check for any leaks. Refasten the water line securely if necessary.

5. Finally, adjust the float valve so that the float causes the valve to close when the water level in the cooler is full, but not overflowing.
Most float valves are designed to be adjusted by bending the metal arm.