How To Troubleshoot A Hot Tub Water Heater

Learning how to troubleshoot a hot tub water heater can save you from the hassle of calling the repairman. Knowing how to troubleshoot your hot tub heater requires some basic tools and knowledge of how your hot tub works. You don’t need to be a professional when it comes to wiring, heaters or hot tubs to easily troubleshoot your hot tub water heater and figure out the problem. If you’re ready to tackle the task, take a quick look at this list of tools you’ll need to get the job done.

You’ll need the following items:

  • Voltage tester
  • Electric drill
  • Sealer
  • Wiring
  • Electric tape
  • Utility knife
  1. Locate your heater. The first step to troubleshooting your hot tub water heater is locating your heater. Some hot tub water heaters are located on the inside of the hot tub, while others are located on the outside. If your heater is located on the inside of your hot tub, you may have to drill into the bottom of your hot tub. Consult the papers you received with the purchase of your hot tub to locate the exact location of the heater before you attempt any drilling.
  2. Troubleshoot your heater. After you’ve located the water heater, use your voltage tester to find the location where you’re having issues. Most of the time it’s a faulty wire that leads from the heater to locations throughout the hot tub. If this isn’t the issue, test the wires and parts within the actual hot tub heater. Sometimes the hot tub water heater will have a small problem like a broken part. Most of the time, it’s cheaper and easier to go ahead and replace the whole heater. You don’t want to fall into the money pit of putting additional money into an old heater when you could of purchased a new one and solved the problem all together.
  3. Clean up work. While you’re replacing your old hot tub water heater, it’s a good idea to go ahead and replace the wires around your heater that lead to your hot tub. These wires can be damaged in the process of replacing an old water heater and are easily worn down from use. To replace these wires, simply cut out your old wires and splice new wires in place. Use your utility knife and electrical tape to make these spliced connections. Make sure to use marine-grade wires that stand up to the abuse of water. If you had to drill into your hot tub to reach your water heater or wires, use a popular water sealer to seal up these locations.

Troubleshooting a hot tub water heater is easy to do with a little patience and time. Sometimes it’s easier to replace small parts and wires that are giving you trouble. Use your own judgment in the question of replacing parts or purchasing a new water heater. Once you’ve followed these steps, you’ll be able to make the decision of what to do with your old water heater and be that much closer to enjoying your hot tub again.

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