hot tub heating

Why Is My Hot Tub Not Heating Properly?

Have you ever experienced issues with your hot tub not heating up to the proper temperature? Maybe you’re wondering why the temperature is not staying at the level you set it? There are several reasons why this could be happening, and below, we’ll be providing you with what could be causing this issue and what you can do to fix it.

1. Your Heater is the Issue

If you’re having trouble with your hot tub’s heating, it’s probably safe to look at the heater first, as this could likely be the issue. But what exactly should you be looking for when checking your hot tub’s heater? The first thing you will want to look at is the wires and connections. Check to see if anything is loose or disconnected or looks out of place. For example, you could have a connection problem or your wires could possibly be frayed or broken. In some cases, the coating around the heating element can be cracked, which can lead to issues. If at any point when you’re inspecting your heater you notice that something doesn’t look the way it should or once did, then reaching out to a professional to come in and take a look at the issues is a wise choice. However, if your heater seems to be working properly, then here’s what you can check next.

2. Your Cover is the Issue

When it comes to maintaining the right heat in your hot tub, having a well-insulated cover is essential. It could very well be the case that no part of your actual hot tub has any issues, but the cover itself is the reason why it’s not retaining heat. Sometimes, covers can begin to sag or tear, and this can allow a great deal of heat to escape from your hot tub. Therefore, if you do a little inspecting and happen to see some rips or cracks, it might be time to invest in a new cover.

3. Your Hot Tub’s Filter is the Issue

There are many reasons why you should regularly be cleaning your hot tub filter, and one of the biggest factors is that it allows your hot tub to stay at the right temperature. If your hot tub has a dirty filter, the flow rate of the water can be affected, which might turn your heater off. To see if this is the issue, you can start by removing the cartridge of your filter and see if the water begins flowing any differently. The basic rule of thumb is that filters must be cleaned every 3 to 4 months and replaced every 12 to 24. This is an easy fix, and once you’ve cleaned or replaced your filter, then you should notice that every part of your hot tub continues functioning the way it should be. After you’ve done this, remember to hit the reset button on your heater to ensure it starts running again.

4. The Water Level is the Issue

It’s safe to say that if your water level is not where it should be, then the parts of your hot tub that require water to function will no longer be able to do so. For example, your skimmer can begin drawing in air because there is not enough water for it to pull in instead, then your heater can overheat and shut down as a result. To prevent this from happening, you can simply add water into your hot tub regularly, and things should begin running smoothly once more. Once again, if you notice that this is the issue and your heater is unable to function as a result, as long as it’s not damaged, you can simply hit the reset button to fix this heating issue.

5. The Sensors or Switches Are an Issue

It’s more than likely that your hot tub model will use electronic switches and sensors to constantly monitor the temperature. Connected through wires to the main control panel, if there is an issue with the sensors, your hot tub’s heater might just shut off even if it’s not at the set temperature. This is bound to happen from time to time; however, if you find that it’s always doing this, then it’s a good idea to call someone in to look at it.

If you’ve gone through this entire checklist and are still experiencing issues with your heating, then it’s always good to have a professional come to your home and do a thorough inspection to find the issue.

To learn more about hot tubs and choosing the right one for your home, download our free buyer’s guide.

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