Why is my hot tub pump pulsing?

Hot Tub Pump Surging: Conclusion Pump surging is caused by filter problems, incorrect water levels, clogged lines, airlocks, and worn-out pumps. You should also locate and unclog the blocked pipes if they are the cause of surging. You can detect a pump airlock by the failure of the proper functioning of the jets.

What to do if your hot tub pump has seized?

Check that the pump motor has not seized: using slip joint goose-neck pliers, check that the pump drive shaft (visible between the pump motor end and the pump impeller assembly) will rotate freely.

Why is my Whirlpool hot tub pump not working?

If the pump motor will not turn when you try to rotate the drive shaft, or if it is binding and difficult to turn, the pump needs to be repaired or replaced. Check (or ask your repair technician to check) for a pump centrifugal switch stuck in the “open” position. This internal motor switch will need replacement.

How does a hot tub pump work in a spa?

The pump motor drive shaft is connected through an air space (vertical green arrow) to the separate wet end wherein it drives the impeller to actually move water through the spa or hot tub piping system. This spa or hot tub pump type is typically referred to as an ” insulated wet-end pump “.

What to do if your spa pump won’t start?

Spa or Hot Tub Motor Won’t Start If the pump motor will not start after you’ve turned on the toggle switch that sends power to the pump (SPA / HOT TUB PUMP OPERATION), check that you’ve pressed the white pneumatic pump control button on the tub rim. Start the pump in high speed. If the pump won’t start and is silent:

Why does my hot tub not turn on?

The motor hums, but nothing happens, and the hot tub won’t turn on. As per usual with hot tubs, this issue can stem from multiple causes.

Why does my hot tub make a humming noise?

If the motor gets the correct voltage, but does not run, it’s bad. My Pump is Buzzing/Humming A steady or intermittent buzzing/humming noise can be an indication of a seized hot tub pump. When the pump is seized, this noise happens in conjunction with the following symptoms:

Why does my spa pump keep seizing up?

A pump will commonly seize due to worn out bearings or trapped debris/foreign objects. The remedy is replacing the spa pump. While there are companies that rebuild pumps, this is often just as expensive (or more) as purchasing a new one.

What causes a tripped breaker on a hot tub?

A tripped breaker is usually caused by either a bad heater or a bad hot tub pump. To determine the cause of the tripped breaker, try disconnecting the heater first, and then flip the breaker. If the breaker still trips with the heater disconnected, disconnect the pump and flip the breaker again.