What should I do before replacing my spa heater?
Before you replace your entire unit, make sure the heater’s had enough time to do its job, check that the switches are working and the power supply is connected correctly, and if necessary, switch out the heating element. It takes many hours for a spa heater to make much difference in the water temperature.
How to diagnose and repair your hot tub heater?
There are a number of ways your hot tub heater may be malfunctioning. This video explains and shows you how to test, troubleshoot, diagnose, and repair it. Work should be done by a trained professional. Check your warranty for details, or head to Loading…
How can I tell if my spa heater is short to ground?
Now test for a short to ground. On the meter’s highest ohm range setting, measure between one element terminal (the element nut) and the sheath (body) of the element. You should get an infinite reading on the ohm meter, indicating no continuity to ground. Any ohms reading indicate a short, and a bad element.
Why is the heating element on my spa not working?
If for any reason one of these components fail then the required voltage to the coil will be jeopardized and the contactor will not close in order to send power to the heating element. As mentioned above, it is usually one of these components that will cause a spa not to heat.
How to troubleshoot and repair a spa heater?
Spa Heater Troubleshooting and Repair Step 1: Warmup Considerations Step 2: Check the Switches Step 3: Check the Voltage Step 4: Replace the Element Step 5: Replace the Heater
How to tell if your hot tub heater element is the problem?
With the spa on, test both of the leads on the element at the same time. If the meter is reading 240v, the element is the problem. If the meter is reading zero, the problem is with the circuit board. With the spa on, test both of the leads on the element at the same time. If the meter is reading 120v, the element is the problem.
What should I do if my spa pressure switch is not working?
Put the wires back on the pressure switch. Run the spa without the filter, if you see the contactor close and you have the proper readings at the heating element then you’ve solved the problem (Replace the Filter). If removing the filter didn’t solve the problem, then the pressure switch should be replaced.
When to replace a hot tub heater assembly?
Once you’ve determined that the heater element is bad, you now need to decide if you need to replace just the element, or the whole heater assembly. If the heater assembly is more than a few years old, it is best practice to replace the whole heater.
