Spa Leaks, but from where?

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  #1  
Old 02-23-08, 10:57 AM
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Spa Leaks, but from where?

The spa that we have installed in our deck leaks, but we can't figure out from where. We've given up on receiving the expensive/useless advice from a Pool-Spa firm.

The plumbing joints not covered by foam have been replaced along with the two-speed pump. Spa looses about 8 inches/day. The leakage appears to stop when the water is below the return water supply jet and above the rest of the jets. Below the tub, it's very difficult to determine where a leak exists as all the jets & hoses are covered by foam.

There's a 25 foot run underground from the heater & cartridge to the two-speed pump (adjacent to the spa). It's doubtful that the piping between the heater/cartridge and pump is leaking as their is no sign of dirt or other debris in the tub.

Any tipps on locating the source of the leak?

Out spa looks like the 'portable type setup' shown under this link: http://www.poolspahelp.com/spa_plumbing_diagram.htm
 
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Old 02-23-08, 11:22 AM
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1 st. assume nothing, according to your post the underside of the spa is visable , no ? is the area underneath the spa wet ?

2. do you loose more water when running than when its off ?

you may want to fill the spa to the normal level mark it with tape un-plug or shut off the breaker for 12 / 24 hrs. make a note of how much you lost then refill to mark run the spa for same period and determine if it lost water at a faster rate & more or less water .

post back

steve
 
  #3  
Old 02-26-08, 06:27 AM
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Steve,

1) the area under the spa is visible. there's a crawl space. the area is wet, but it's hard to imagine that 6 inches of water leaking out into the dirt over a 24 hr period does make the area muddy. Also, I would expect to see erosion where the water drains away from the deck down the grade.

2) the test was run. when the pump is turned off, no water leaks from the tub in 24 hrs. when the pump is turned on, the water level drops about 6 inches in 24 hrs.

What do you think?

thanks,

Maussane
 
  #4  
Old 02-26-08, 07:59 AM
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It sounds like it could be the seal in the pump leaking, have you looked under the pump when it is running? If not there it has to be in the plumbing since it only leaks when running. Because it is leaking when running, it more than likely will be a small crack, bad glue joint causing it to leak when under pressure.
 
  #5  
Old 02-28-08, 07:10 PM
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what todrut said is correct, finding it can be difficult, if the unit is completely filled with urethane foam, it will definite take perserverance on your part,

steve
 
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