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Guide to Hot Tub Winterization

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Winter is on its way. And while the thought of slipping into your steaming hot tub when there’s snow on the ground is a tempting one, thoughts of getting out of it again and frantically scrambling for your towel and dashing inside to avoid hypothermia dominate. Draining your hot tub and putting it to bed until the warmer months come around again can be done by following these simple steps.

Take care of your hot tub and winterize it!

Getting started

Start the job by turning off the control valves, water supply and opening all jets. Drain the water from the tub, you can use a garden hose or you can use a submersible pump. Drain the water to a line that can handle the amount of water being drained out. Then, disconnect the hot tub by unplugging the power cord, switch off the heater and turn the power button off. The hot tub’s circuit breaker should also be switched off.

Removing cabinet panel

Take out the cabinet panel located in front of the hot tub’s equipment compartment. Open the spigot that is near the main pump and drain the water, leave the spigot open. Use a wet vacuum (cylinder type) to clear the lines of any remaining water. Remove the drain plugs from the water pumps and let the water drain out. After the water has drained, replace the plugs for the pumps.

Switch on the blower

Replace the cabinet cover, and turn on the circuit breaker. Turn on the blowers to clear water form the air channels and pipes. Remove the fittings and clean it with the wet vacuum, this will remove all water from the fittings. Use a sponge to remove any remaining water. Wipe the tubs interior as well as exterior with a cotton towel. After it is completely dried, place the cover on the tub and close it.

Tub securing

Because the tub will not be used for a while, it is better to cover it up properly so that it does not attract dirt or insects. Use a tarp to cover the tub and tie it down so that it remains in place. In case your hot tub is in its warranty period, then before you embark on any hot tub maintenance activity check the terms and conditions. Sometimes the manufacturers provide service only if it has been winterized by a professional.


Make sure you have properly closed the panel after you opened it; check that the circuit breaker and power supply is turned off. The water supply to the tub should also be shut off, so that no water gets into the plumbing. Once you are done with that, your hot tub has been winterized.

Once spring arrives, you will need to turn the circuit breaker and power supply back on. It’s also important to clean your tub before you use it. Use bleach or ammonia for the first cleaning to be sure that you are properly disinfecting the tub.

Category: Outdoor Accessories

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