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The pneumatic air switch in our whirlpool tub will not turn off the pump. The only thing we can do is unplug the motor or turn the breaker off. The tub activated itself in the middle of the night so we turned the breaker off. The owner's manual does not help diagnose the problem. It is a PAC-FAB Dynamite whirlpool bath self draining pump Model SBF 3260R-BO. They tub was installed in 1995 and the manufacturer of the tub does not provide service. I have called Pentair and they referred me to another division Balboa but they could not help me. I would appreciate any information.

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: How can I unclog plumbing in whirlpool tub used to clean dogs?

Depending on how mechanically inclined you are, take apart the tub and clean everything out. No easy task, I know, but who want old dog hair floating around? That will be your best bet.

Posted on Oct 24, 2008

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SOURCE: Whirlpool tub not cutting off.

First I would remove the switch hose from the pump. Pinch the end of the hose over and hold it in place with a piece of tape. Depress the button and hold. If the button has little to no resistance then there is a hole in the air line which is causing enough air to leak that there is not enough force to activate the switch. If that is not the problem then just consider leaving the switch in the hole on the tub surface but adding a regular wall swich to the wall near the tub. This move the switch action from the tub to the wall. This a really cheap solution compared to getting a new switch mechanism which is what is broken for about $200.

Posted on Jun 01, 2009

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SOURCE: my jacuzzie motor just clicks and won't turn on.

If the GFI is good, pull the hose off of the pump and have someone push the button at the same time you have your finger over the end of the hose. If there is pressure at the end of the hose, the button is good. Put the hose back on the pump, and have someone push the button, you should hear a clicking each time it is pushed. If this is the case the internal switch in the little black box on the top of the pump is bad, they are avaliable from Guillens, it is called an air switch. Two screws secure the box cover and a nut on the outside of the box secures the switch, be sure to unplug the pump before working on the switch.

Posted on Aug 18, 2009

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SOURCE: jetted bath tub has stopped working - motor hums, will not run

The shaft on the motor should spin freely as should the impeller when attached to the pump. If there is drag on either, replace the pump and motor assembly. I have worked on jetted tubs for the past 5 years, I have seen seized pumps more than once.

Posted on Aug 20, 2009

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SOURCE: Jacuzzi whirlpool, air on/off button on tub

If it is a air button that pushes in and comes back up, there is a good chance that the switch (which is mounted on the pump/motor) is bad. If the switch is a touch button on a key pad, the problem is in the control box for the pump/motor.

Posted on Sep 05, 2009

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Motor not working. Pump is running.

Need to know what brand of pump and the model number however with that said it will either be the the switch located in the motor or the control box that pump plugs into that will be the problem. Not very often is it the button on the top lip of the tub, but sometimes it is.
Can you get us the name of the pump? Model number of the pump?
Any information off the controls?

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My jacuzzi bath tub will not shut off.I have reset the breaker, blown out the plastic line and air is coming out the other end but still wil not shut off. We have only used this tub 2 or three times. Any...

It sounds like your pump in turning on/off with an air button on the top of the tub.
The pump not turning off could be either a bad air button, not sending enough air through the tub to operate the air switch in the motor or it could be a back air switch in the motor where the air hose attaches to it.
Take a large straw and blow into the air switch and see if you can operate the air switch on/off.
If it will turn on/off then you know you have a bad air button on the tub however, if you cannot get it to turn the pump on/off then you know you have a bad air switch in the motor.

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Feb 26, 2013 | Home

1 Answer

My jacuzzi motor is not working

When you push the button and the motor does not turn on there a couple of things to check.
Is there power to the pump? check the circuit breaker
If there is power to the motor then the air button on the top of the tub may be bad or it could be the air switch inside the motor.

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Jets will not come on after filling and pushing on switch

There are several things to check.
the first and most likely is that you have a Ground Fault Circuit Interrupter (GFCI) that is tripped.

It is required by code to have any whirlpool tub, spa, or similar equipment GFCI protected. on a whirlpool tub, a good electrician will place the GFCI device within sight of the tub, in the bathroom. it looks like the same GFCI receptacles you have on the countertop, but without holes to plug things in. a lesser electrician will place a GFCI receptacle inside the service access underneath the tub. (this can be a hatch in the side of the tub, or a cabinet door in on a wall adjoining the room) a bad electrician has been known to place it in a completely different room, or under the floor, with the power cord of the tub passed through the a hole in the floor to plug in. find this, and press the reset button. if it solves your problem, great. if not, go to step 2 (also, occasionally, the GFCI device is a GFCI breaker inside the breaker panel - check to make sure the breaker is turned on and not tripped, as well)

If you reset the GFCI and it immediately trips again, there may be a problem with the pump motor. find the access hatch (if you haven't already) and unplug the tub. try the reset again. if it holds now, it is the pump. if not, it is either a failed GFCI (have it replaced) or a ground wire in contact with a neutral wire. (fixed by moving the ground)

if the GFCI resets, or will not reset (newer GFCIs have an interlock feature that prevents them from resetting if they don't like the flavor of the incoming power) and there is still no power to the pump (use a plug tester, or plug a lamp, or radio in to test and make sure there is power to the spa tub), and you have confirmed that the breaker is on, there may be a switch that is off, (the same electrician who put the GFCI device in a walk-in closet across the hall, also had a switch that turned the whole thing off) or there may be a wiring problem somewhere. at this point, it might be worth your while to bring in an electrician to trace down the problem. - you would have to check each point in the circuit to find where there is a wire disconnected or broken.

If there is no problem with the electricity to the tub, then you have either a switch problem or a motor problem. the motor problem is unlikely, as it usually results in electrical symptoms, as well. the switch is an air switch. the button on the tub is an air plunger, that pumps air into a tube, and pushes another plunger in the switch that turns the pump on and off. the plunger can stop pushing air (unlikely, but possible) the tube can come loose, or the switch can stop working. the first two are easily user-repairable. the last may take an authorized service professional, depending on the design of the pump.

If you have acces to the pump and switch please let me know I will walk you through what to look at there to fix if the plug is good.

good luck with this - hopefully it is just a GFCI.

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1 Answer

I have a Jacuzzi tub and the vacuum switch will not turn the tub off. I had to turn the breaker off.

if when you push the air button it will not turn off the pump, it may be the button that is bad on the top of the tub or the air switch located in the motor.
take the pump out and plug it into an outlet. get a straw and blow into the air switch with the pump plugged in still. if it comes on then the button on the top of the tub is bad. if it doesn't come on then the air switch is bad.

Feb 16, 2011 | Jacuzzi Home

1 Answer

I filled the tub, pushed the start button and all worked just right. When I went to shut it off it wouldn't shut off. I tried repeatedly. Finally had to get out of the tub and unplug it, (couldn't find any...

Sounds like either the air button on the side of the tub has quit working or the air switch in the back of the motor is not working.
Take the pump out. Get a straw, plug the pump into a working power outlet, blow into the straw into the air switch (where the air tubing was connected) on the motor. If the pump comes on/off when blowing into the straw then the air button on the tub is bad. If the pump will not come on or turn off when blowing into the air switch with the straw then the Air Switch is bad.

Jan 08, 2011 | Whirlpool Home

1 Answer

Plastic tubing from pneumatic on/off switch to pump has become disconnected.

These tubes are just pushed on by hand. They are nothing special. If you need to replace them, just use whatever works. Push the ends firmly onto the small stems on the motor and the button. Good luck

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If it is a air button that pushes in and comes back up, there is a good chance that the switch (which is mounted on the pump/motor) is bad. If the switch is a touch button on a key pad, the problem is in the control box for the pump/motor.

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I have a 16 year old Aker whirlpool tub. Recently the tub turned on with no one near it. I had to turn the breaker off so the motor did not burn out. It appears the air switch has failed. How do you...

If it is an air switch, the switch itself is located on the pump.Locate the air line that goes from the button and follow it to the pump. It is possible to replace the switch with the pump in a accessible location. If not remove the pump and replace the switch on a work bench. The switch is inside the black or blue box located on the pump motor. Hope this helps.

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