How To Replace A Swamp Cooler Pump
If your swamp cooler is blowing warm air on a "cool" setting, or it isn't working at all, even with a good cord and outlet, try replacing the water pump. The pump sends the water over a filter, which transmits the air through duct work. You should be able to replace a swamp cooler pump yourself with no HVAC experience. Here are some tips to replace a swamp cooler pump.