Why is my hot tub pump humming?

Gurgling, humming or grinding noises on a spa circulation pump are good indicators of a problem. It could be Air, Scale or a Clogged Impeller. Maybe a dirty spa filter. Or, it could be the bearings in the motor going bad.

How do you know if your hot tub pump is bad?





There are several signs of hot tub pump failure:

  • Humming noise from motor not turning, frozen shaft, bearings or impeller, or defective starting capacitor.
  • Whining noise from worn bearings.
  • Leaks under the pump from a failure of the pump seals.


Why is my spa pump not working?

Check that your power is on, the breaker or GFCI test button are not tripped, all valves are in the open position. Follow the circ pump plumbing, and look for any kinks in the hose. Pull out the cartridge filter to see if flow improves and the circulation pump is doing better.

Why is my lazy spa pump not turning on?

No power to the pump



Check the RCD plug and fuses. Try plugging into an alternative socket. Ensure that the pump is plugged into an earthed mains socket and not an extension lead.

How do I stop my hot tub from humming?





To reduce the noise your hot tub is emitting, ensure that all bolts and other connections are tightened. Standing your hot tub on a thick rubber matt will reduce vibration and noise coming from the hot tub. You can also fill any voids in the hot tub cabinet with a soundproof material such as spray foam.

How do I reset my hot tub pump?

Quote from the video:
Quote from Youtube video: Itself three flip it off and then back on again four try to start up your pump if the breaker flips when you start up your pump disconnect the pump and reset the breaker.

How long does a spa pump last?

7-10 years

Most hot tub pumps and heaters will be able to last for a minimum of 7-10 years in well-maintained, well-balanced water. In poorly balanced water, however, their lifespan can be drastically reduced as key components break down. In hot tub pumps this is commonly the seal that protects the motor from water.

How do you test a pump capacitor on a hot tub?



Quote from the video:
Quote from Youtube video: All right now we're going to look i'll show you how to quickly uh tell if the capacitor is good or not first sign is if the a lot of times when the capacitor. Goes.

How much does it cost to replace a spa pump?

How Much Does It Cost to Replace a Hot Tub Pump? Hot tub pump and motor replacement cost ranges from $200 to $1,200, depending on the type. Circulation models run $200 to $500, not including installation. The cost to replace hot tub pump with two speeds is $750 to $1,200.

How do you reset a lazy spa pump?

Your pump will require a reset occasionally during the use of the spa.



Please follow these steps:

  1. Unplug the pump from the socket.
  2. Whilst the pump is unplugged press the thermal reset button in and hold for 5 seconds.
  3. Plug the pump back in to the socket.
  4. Set the pump to heat and allow for 5-6 hours of heating.

How do you test a circulation pump?



Quote from the video:
Quote from Youtube video: The objective of the test is to do a side-by-side comparison of the traditional pump where's the new circulator.

How do you prime a circulation pump?

Quote from the video:
Quote from Youtube video: So loosen up the priming. Plug. I'll just take a funnel or the priming port. And I've completely filled the housing on the top. So now that's completely full of water put back in the priming plug.

Why is my lazy spa pump making a noise?

The pump may become noisy if the water flow sensors become stuck or flipped over. Turn the pump off using the On/Off power button on the pump display. Move to the power supply, turn the power off and remove this from the socket.

What does a bad hot tub pump sound like?

First, if the noise is a screeching, high pitched whine, the motor bearings could be failing. Bearings can be replaced, or if the motor is very old (more than 5 years old), you may consider replacing the hot tub motor. Second, if the noise is a low pitched, grumbling noise, the pump could be starved for water.

How do you prime a hot tub circulation pump?



Quote from the video:
Quote from Youtube video: The other thing is if you get the air lock you can start running the pump on high speed cycle it on and off a few times before you get underneath the hot tub and disconnect the coupling.

How do you know if you have an airlock in your spa?

As mentioned above, the most common sign that your hot tub has an air lock is the jets not working when powered on. This can include nothing coming out of your jets when they are turned on or even a humming sound coming from the jets or pump.

Is there a reset button on a hot tub motor?

The button is typically located on the side of the control box behind the hot tub’s removable panel on the front side. Similar to disposal reset buttons, simply press the small red button in to reset it. But don’t press it until you’ve figured out why it tripped. Resets are like circuit breakers.

How do you get rid of an airlock in a water pump?

Quote from the video:
Quote from Youtube video: If we need to release that air lock we need to take off the output hose. Which is very very simple. We can simply pull down on the blue locking tab. And then and slide out your output hose.

Why is my pump not pumping water?



Your Pump is running but there is no water coming out



Possible cause for this type of issues is that your pump has lost its prime. Turn power to pump off. Remove gauge with bushing or bladder tank from top of pump. Pour water into pump until water fills pump housing.

Will an airlock clear itself?

Airlocks do sometimes fix themselves, but it isn’t a risk worth taking. Airlocks occur when air becomes trapped in the hot water or central heating system. Vapour becomes caught in a high point of the pipework because the gas is less dense than the water in the system.