How To Drain A Hot Tub For Winter. Turn the power to the spa off at the circuit breaker. Turn the sump pump on and start draining.
You will be releasing roughly 400 gallons of water, so make sure your drainage area can fit all of this. The last thing you want is the system to power on when there is no water in the hot tub. Also get a soft bristle broom to remove the snow and ice from the top of your cover.
Outdoor spa owners are starting to think about how to prepare their hot tub for winter.
Empty your hot tub of all the water. The biggest risk of keeping your hot tub running all winter is that some water will freeze in the components and. Chlorine and bromine, the most common sanitizers in tub water, evaporate when they’re exposed to air. First, turn off the spa’s circuit breaker.