Repairing Guides

how to repair leaking hot tub pump

by Reagan Kuvalis Published 3 years ago Updated 2 years ago
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  • Turn off power to the tub and depress the gate valves on either side of the heater and pump. ...
  • Remove the union fittings where the leak is coming from (either from the pump to the heater, or the heater to the return line). ...
  • Check the O-ring and gasket. One, or both of them, have probably degraded. This is an indication that other O-rings and gaskets may also need replacement.
  • Remove the union fitting on the other end of the heater.
  • Replace all O-rings and gaskets at the same time so you won’t have to deal with another leak anytime soon.
  • Reattach the union fittings and lift the gate valves.
  • Turn the power on and run the tub. Ensure the leak is fixed.

Part of a video titled Leaking Pool/ Hot Tub Pump Fix - YouTube
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I look for this rinse fitting. I check to make sure that it's not leaking you're not going to wantMoreI look for this rinse fitting. I check to make sure that it's not leaking you're not going to want to push and pull on it around the tube too much because it is very easy to break the older-style.

Full Answer

What should I do if my hot tub is leaking?

What do I do if my hot tub is leaking?

  • If a hot tub is leaking, remove the side panels to identify the location of the leak. ...
  • CLICK HERE to see Marlig Fix-A-Leak on Amazon. Of course if you need to disassemble the pump or heater, first, switch off the electricity. ...
  • Most hot tub leaks come from the pump, it might need a new seal or housing. ...

How to find and fix a hot tub leak?

How to fix it:

  • Turn off the hot tub power.
  • The valves have 4 bolts you’ll need to remove with a wrench in order to take the two halves apart.
  • Inspect the gasket. It’s most likely compromised in some way.
  • Replace the gasket with a new one.
  • Put the two halves back together and tighten the bolts.
  • Run the water and check to ensure the leak is gone.

How do you fix a leaking pool pump?

How to fix a leaking pool pump

  1. Leaking pump shaft seal Contents 1 #1: Leaking pump shaft seal 2 #2: Leaking pump housing 3 #3: Leaking outlet fitting 4 #4: Leaking inlet fitting 5 #5: Leaking ...
  2. Leaking pump housing Some people call the pump housing as the volute. ...
  3. Leaking outlet fitting This type of leak has water running down the pump’s side and dripping off the bottom. ...

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Why is my hot tub leaking?

The most common reasons include the following possibilities:

  • Evaporation
  • Running the hot tub during the winter
  • A leak in the hot tub
  • High hot tub usage

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How do you fix a leaky hot tub pump?

0:421:52My Hot Tub Pump is Leaking - YouTubeYouTubeStart of suggested clipEnd of suggested clipFor minimal amount of money you'll have to replace the whole pump motor assembly. For a lot moreMoreFor minimal amount of money you'll have to replace the whole pump motor assembly. For a lot more cost if you take care of your pumps. And watch your pump seals in here and you're good to go.

Why is my hot tub pump leaking from the bottom?

Leaking from the bottom of the unit. This can be caused by a perished washer, cracked pipe or other issue inside the pump. Check that the couplings are fully secured and not cross threaded or cracked. Washers may be misaligned.

How do I fix a leaking lazy spa pump?

Remove the pump from the spa liner by placing the stopper caps within the spa over the debris screens. Unscrew the 3 couplings A, B and C. Place the grey cap on the A pipe on the liner to stop any water leaking form this pipe. Using a hosepipe, flush water in through the pumps B pipe which should then come out the C.

Can a spa pump be repaired?

If your system is more than 2-3 years old, replace the entire pump, not just the motor or wet end. You'll have fewer headaches in the long run. Caution: Electrical repairs can be dangerous, especially around water. Repairs must be made by a qualified electrician or spa technician.

Does spa Stop leak work?

Does Fix a Leak work? Marlig Fix-a-Leak works exceptionally well on permanently fixing small cracks in the plumbing of the hot tub. It will not, however, fix large cracks or holes in the acrylic shell of the hot tub.

Why is my hot tub leaking water?

The most likely causes will be a rubber gasket at the heater connections, a cracked pipe, or a loose jet. If it's not possible to access the leak's location, use leak fix products for small leaks, or waterproof epoxy putty for larger leaks. But there's a lot more that goes into fixing hot tub leaks than that!

Why is my Bestway pump leaking?

In virtually every instance, leaking water at the pump is caused by bad seals or by loose-fitting connections—or both. There are three important seals around the pump itself—one that seals around the filler cap where the cartridge is inserted, and one each for the water inlet hose and outlet hose.

Is the lazy spa pump waterproof?

Yes, a Lay‑Z‑Spa pump is waterproof, however, if you are expecting a very large amount of rain or bad weather it is recommended that you bring the spa and pump indoors.

Can you repair a lazy spa?

The Lay‑Z‑Spa® PVC Repair Kit contains everything you need to repair a puncture in your inflatable swimming pool or hot tub. It is quick and easy for you to repair any sized puncture and get your inflatable swimming pool or hot tub back in use in no time.

How much does it cost to replace a hot tub pump?

$200 to $1,200Hot 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.

Can you replace a hot tub pump without draining?

You can drain the spa to make the repair, if you need to drain anyway, but it's not necessary.

Can a hot tub pump be rebuilt?

Hot tub pump problems can usually be repaired: you probably don't need a new pump! The two most common problems with hot tub pumps are the seals and the motor. The seals can be replaced usually for under $100 and the motor can be rebuilt for under $250, often less!

How do you install a pump seal?

29:231:06:35Seal Installation for Pool & Spa Pumps - YouTubeYouTubeStart of suggested clipEnd of suggested clipLube. And just rub that around in there. And then I should slide over the shaft onto. The impellerMoreLube. And just rub that around in there. And then I should slide over the shaft onto. The impeller pretty easily and yep there it goes perfect and then you want to make sure that it's flexing.

How do I fix my spa pump?

0:376:04HOT TUB Pump Not Working? 6 Common Problems & FixesYouTubeStart of suggested clipEnd of suggested clipSystem first you want to clean your filter. And leaf traps. And then try priming your pump. If youMoreSystem first you want to clean your filter. And leaf traps. And then try priming your pump. If you have really poor pressure then you'll need to completely drain. And clean your hot tub.

Why is my Bestway pump leaking?

In virtually every instance, leaking water at the pump is caused by bad seals or by loose-fitting connections—or both. There are three important seals around the pump itself—one that seals around the filler cap where the cartridge is inserted, and one each for the water inlet hose and outlet hose.

How do you find a leak in a hot tub?

How to Find a Hot Tub LeakTurn off power to the hot tub. ... Examine the fittings and pipes leading to the pump and the spa's heater. ... Follow each pipe to its jet looking for signs of leakage along the way.Place a drop of dark food coloring in the water in front of a jet. ... Let the water set to see how far it drops.More items...

How to Fix Small Hot Tub Leaks

There’s a chance your leak is small and easy to fix, so don’t start ripping things out from under your hot tub without taking a moment to investigate. Pinholes and small cracks caused by age, cold temperatures, or manufacturing flaws are sometimes conquerable with a fix in a bottle. For that reason, it’s worth trying this step first.

How to Fix a Leaking Hot Tub Pump or Heater

A common area for leaks is on either side of the pump or heater, and to access this area, you’ll have to remove the hot tub’s side panels. Typically, this just takes loosening a few hand-turned fasteners and some shuffling. With the panel removed, take a look at the pump and heater.

How to Fix Leaks Around the Light

Another common area for leaks is the spa light. If the water level drops to around the height of the light, it could be to blame. The leak can come from a crack in the light fixture itself or the gasket behind it. You’ll probably have to remove the side panels to gain access to the light.

Other Common Hot Tub Leaks

The most challenging leak to locate is one coming from a jet, pipe, or hose buried inside the insulation. Finding a leak inside the insulation takes quite a bit of detective work. With as many access panels removed as possible, allow the hot tub to run like normal.

Tools and Materials

There are a few different ways in which a hot tub can leak, and the cause will determine which tools and materials you’ll need. Your best resource for replacement parts and materials will be a local pool supply shop, but you may be able to order parts online.

Can a leaking hot tub be fixed?

Yes. A leaking hot tub can be fixed. The first thing is to identify the source of the leak. Small leaks up to 1/8 inch in diameter can usually be fixed with Marlig Fix-a-Leak from Amazon.

Where do hot tubs usually leak?

Hot tubs often leak at the pump and union fittings on either side of the heater tube. But they can also leak where the jets connect to the acrylic shell or from a cracked PVC pipe.

Why is my tub leaking from the bottom?

All hot tub leaks will eventually pool on the bottom. But a large volume of water on the bottom of the hot tub will likely be a cracked PVC pipe.

How much do hot tub leak repairs cost?

Most hot tub leaks can be fixed by the owner for less than $50. However, for larger repairs or when hiring a hot tub repair company, expect to spend at least $200.

What is the life expectancy of a hot tub?

The life expectancy of a hard-sided, portable hot tub is between fifteen to twenty years. The manufacturer, water chemistry, and regular maintenance are some of the critical factors that impact how long a hot tub would last.

Do hot tub leak sealers work?

Hot tub sealers work for small leaks of up to 1/8 inch in diameter. As they are heavier than water but still liquid, they are designed to sink to the lowest spot; often the place where the leak has sprung.

What is the best hot tub leak sealer?

Marlig’s Fix-a-Leak is the best hot tub sealer for small leaks. I have used it and some other sealers in the past, and it is what I’ll recommend.

What Can Cause A Hot Tub Leak?

There are endless reasons for a leaky hot tub or spa, but the vast majority of issues originate from just a handful of places.

How To Find A Leak In A Hot Tub

Hot tubs leaks can come from anywhere, not just the shell itself. In some cases, there may even be multiple leaks at the same time.

How To Fix A Leak In A Hot Tub

Not sure how to go about fixing the leak in your hot tub? Fear not, we’ve got you covered!

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