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Hey, you're in the home improvement zone--YOUR HANDYMAN ZONE!

Cooling and Ventilation Systems Category:

Evaporative / Swamp Coolers


Cooler water pump is bad.

Tools / Materials (See Below for Applicability):

  • Appropriate cooler water pump (see section on how to identify the right pump size for your cooler)

  • Screwdriver (or other fastening device as determined by the manufacturer's use of fasteners)

  • Plastic fasteners/cable ties

  • Bucket of water



A component of the evaporative / swamp cooler, like anything else, that will eventually require replacement is the cooler water pump.  The following are steps that you can follow in order to replace an old cooler water pump with a new one:

Caution: When dealing with any device that requires electrical power, make sure you take precautions before you work on it, including disconnecting the power.

  1. If you have not already done so in heeding the above cautionary statement, in addition to turning off the power, unplug the plug of the cooler motor, or, if the motor has no plug, disconnect its power wires from the wires that are a part of the cooler, making sure you note what was the arrangement of such wires before you disconnect them for easy re-connections later on. 

  2. Unplug the plug of the old cooler water pump.

  3. Unscrew the screws that secure the water pump to the metal part of the cooler.

  4. If the electrical cord is wrapped around part of the cooler bar that is not obstructive of the cooler operation because it was too long to begin with, unwrap this unplugged cord.

  5. Having done the above, remove the water pump from the cooler body.

  6. Unfasten the protective screen found around the water pump.

  7. Place this protective screen into a bucket of water so as to remove any removable corrosive debris found on it.

  8. Then, fasten this protective screen around the bottom of the new water pump, as found to be the same screen position of the old water pump; if the fastener breaks, use another one of any type--plastic fasteners or cable ties--just so long you can make the screen secure around the bottom of the water pump.

  9. Place the water pump in the cooler, allowing it to rest on the interior side of the bottom pan of the cooler, where the original water pump was positioned, being mindful of the pump's plug and, if it is long, its need to be wrapped around part of the cooler bar that is not obstructive of the cooler operation before you finally plug the plug of this cord into its respective electrical outlet.

  10. Screw the screws that secure the water pump to the metal part of the cooler.

That's all it takes to replace your cooler water pump with a new one.


Ed the Handyman


Your Handyman Zone Team


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