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How do you replace a flow switch in a spa, or hot tub

How do you replace a flow switch in a ''Demension One Chairman II hot tub or spa

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  • Anonymous Mar 26, 2014

    My GFCI switch keeps tripping. It's the switch in the main power cord. Jets and heater will function but only for a few minutes before the switch trips help. The tub has been operational for 1 1/2 years. It was purchased from spa depot. Thus far I haven't tried to contact them. Help?

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Turn off the power to the spa. remove the cabinet under the topside remote to expose the equipment compartment. You should see the flow switch, it's usually a threaded 3/4" plug with a single grey wire coming out of it. Most of them are threaded into a tee or a special transparent fitting. If the water level in the spa is above the flow switch, you may have to drain the spa down unless you're very fast about getting the new switch in. Unthread the old switch and thread the new one in. Follow the wire on the old one to the spa pack. You'll have to remove the screws on the cover to expose the circuit board. Follow that wire into the spa pack to see where on the circuit board that it is plugged in. It may be good to run the new wire to have in place as soon as you unplug the old one you can install the new one with no question as to where it plugs in.

Reinstall the cover on the spa-pack and turn the main power back on. Make sure that the arrows on the new flow switch are facing the correct direction (direction of flow). Once you have the spa on and it starts back up, run everything to check for leaks and proper operation. If the flow switch was the only problem, all your faults should be cleared and you should be in good shape. If there are no leaks, you can reinstall the cabinet panel.

The new switch should already have teflon tape on the threads, if not, use teflon tape, apply the tape in the direction as if you were threading a nut onto the threads. You only need a few wraps of teflon tape, too much can crack the fitting you threat the new flow switch in to.

Posted on Nov 07, 2009

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The spa will not start - the pump is definitely connected to working power and the last time i tried it worked fine. However today when I push the on button nothing happens?


When you say nothing happens, I wonder if the unit is making any sound at all or do you mean there is no water flow? If there is no water flow in your hot tub or spa then it could be just a simple air lock. Often when you drain your hot tub or spa you have to prime the system afterwards, this includes the pump but may also include the suction lines. The suction lines can develop an airlock in the upper portions of the suction line. To remove an airlock you simply force water into the suction line or release the air in the line by opening a union. Hot Tub Repair 101 What is an E6 or Error 6 Code Mean

Additionally, you could need new hot tub filters. If the filters are dirty and water flow is restricted your power pak may shut itself down as well. This can be as simple as cleaning your filters or replacing them. Hot Tub Filters

Here are a few things to consider

  • release any air locks
  • clean filters
  • make sure there is no obstructions in the lines
  • check to make sure GFCI is operational
I hope this helps.

Dec 26, 2015 | Pool & Spa

1 Answer

Hydropool hot tub


Check your filter. It may be clogged. This will restrict flow and prevent the pressure/flow switch from actuating. The heater will think that water is not flowing and not allow the burner to produce heat.

Jan 31, 2014 | Pool & Spa

1 Answer

Replacing hot tub flow switch


Depending on what type of flow switch is in the plumbing will determine how it is changed out.
These are usually glued into the plumbing line with no unions or gate valve on either side of it,
If this is the case for you tub then you will need to drain the tub or isolate it from the water so you can plumb in a new flow switch.


Rod
US Parts Center
888-521-6183

Feb 15, 2013 | Qca Spas Pool & Spa

2 Answers

Will a flow switch stop the tub of any operation


Is the board getting power, is the control lighting up?
Do you see any error codes on the top side control?
Improper flow will give you an error code, caused by flow issues or a faulty flow switch. Make sure all gate valves are open and the water can flow freely.
If not then check your Hi Limit sensor. This is the overheat safety sensor if it fails the tub will not function at all.

Sep 23, 2012 | Dream Maker Spas Dream Maker Ez Spa Hot...

1 Answer

Flo code is on and pump won't start up


Flo = Improper flow or pressure switch malfunction or Flow switch malfunction (system specific).

Before you purchase a new pressure switch:
- Clean or replace your filter cartridge (if its older than 1 yr).
- Check that all slice/gate valves are up/open.
- Check water lines for blockages incl. suction cover & ensure sufficient water level in spa.

Jan 29, 2012 | Qca Spas Majestic Series Aruba Xl Hot Tub

3 Answers

Spa thermal overheating


Turn off all power to the hot tub as soon as you realize it is overheating. The spa should have an automatic shut off when the water temperature reaches about 112 degrees fahrenheit. Call your hot tub dealer or manufacturer for service options. There are a variety of conditions that could lead to the overheating of your hot tub, but may differ in various hot tub models and brands. Check the water level of the hot tub. Low water levels could be the culprit for the over heating, so you may just need to add more water to the hot tub.
Check the shut-off valves in the hot tub. If they are closed while the hot tub heater is on, it could cause the water to reach unsafe temperatures.
Clean the hot tub filter. A dirty filter could be blocking the flow of water, causing the water to sit in the hot tub and overheat.
Turn the power back on after finding the problem and talking to the hot tub dealer. The hot tub will probably not start back up until the water reaches a safe temperature

Jan 06, 2012 | Endless Summer Pool & Spa

1 Answer

The hot tub is no longer heating


There are two main items to check. I do not recommend them unless you are qualified to work with electrical. The 2 main things that this could be are:
1. Pressure switch failure( (hot tubs need a sensor to tell the computer when it is safe to operate. If the pressure switch is out, then it will not heat) if this is a hot tub with a 24 hour circulation pump, then the pressure switch would actually be a flow switch.
Fix: Replace pressure switch/ flow switch
2. Heater element failure. (This type of failure typically trips a GFCI breaker)
if the heater element is out, then it will short to ground causing the hot tub to shut down repeatedly.

Notes: Are there any trouble codes coming up on the display panel? these help out greatly when troubleshooting like this via- messages

Oct 21, 2010 | Qca Spas Paradise Series Paradise Supreme...

2 Answers

I just bought my hot tub, it shows ''FLO'' on the panel when i turn it on. I did every thing they say on the panflet but it still doesn`t work. Anything else i should do??


The problem is that the flow switch for your water heater is indicating no flow. Therefore your water heater will not operate. Without proper water flow your heater will burn up. Check that your valves are open. Check that your pump is running. Check that your filters are properly installed and not restricting flow. Check the wiring to your flow switch and make sure the flow switch operating properly (i.e. put a ohm meter across the contacts and see if you have continuity when the switch closes).

Sep 18, 2010 | Apollo Pool & Spa

1 Answer

I have a 2004 great lakes hot tub with a balboa controler. My hot tub heats up fine when the pump runs on high but the temp light never comes on when the pump runs in low.


check to see that the flow switch is working properly, it may not have enough flow on low speed to allow the heater to turn on. Make sure your filter/s is/are clean. If you have a pressure switch instead of a flow switch, it may need to be adjusted or replaced.

Feb 04, 2010 | Qca Spas Jewel Series Topaz Plus Hot Tub

2 Answers

We have a dreammaker spa, how do we drain it? the model is Fantasy


The Fantasy has a drain located in the toekick of the spa. You have to first remove the drain cap, attach a hose if you wish, spin the outer black ring counter clockwise to start the water flow, then pull the outer ring out away from the tub to increase the drain to full flow.
I understand that a screw driver is often needed to pull the outer ring out to achieve full flow. Therefore, I suggest another method. Take a garden hose and place it in front of the jet while the spa jets are on. This will force water flow thru the hose and prime the hose. Once you see water running from the other end of the hose, drop the hose in front of the spa jet into the footwell and as long as the loose end is lower than the end in the footwell, a siphon will drain the spa as fast as the spa drain will. Remember to turn off electric to the spa once you have established a siphon. You may have to bucket the last bit of water in the footwell. Goodluck.

Oct 31, 2009 | Dream Maker Spas Dream Maker Ez Spa Hot...

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