Attached SPA drains down

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tlapp
I'm new here
I'm new here
Posts: 2
Joined: Thu 24 Jan, 2019 11:40
My Pool: 12000gals, propane heater, Hayward pump, valves and DE filter, attached SPA

Attached SPA drains down

Postby tlapp » Thu 24 Jan, 2019 11:55

My attached SPA is draining down about 2 inches a night after the pool pump is off for the day. After about three weeks it is now below all fixtures; jets, return and light. This has happened before and stopped for some unknown reason. Maybe valves were leaking by and reseated after using the SPA?? Is it possible for water to drain down to where I described, which is down below the pool level, by a valve leaking by? And where does the water go? It is not going back into the pool because the pool level has remained steady.


Denniswiseman
Pool Industry Leader
Pool Industry Leader
Posts: 1204
Joined: Tue 06 Sep, 2011 05:48
My Pool: 10k inground fibreglass, Telescopic Cover, Hayward Powerline pump, Quality filter with glass media, 27kw output heat pump, K-2006C test kit
Location: United Kingdom

Re: Attached SPA drains down

Postby Denniswiseman » Fri 25 Jan, 2019 03:58

Hi and welcome
I would suspect a faulty non return valve
Images showing the relation of spa to pool and set up would help
tlapp
I'm new here
I'm new here
Posts: 2
Joined: Thu 24 Jan, 2019 11:40
My Pool: 12000gals, propane heater, Hayward pump, valves and DE filter, attached SPA

Re: Attached SPA drains down

Postby tlapp » Sun 27 Jan, 2019 09:37

Thanks! so where does the water from the SPA go if pool stays the same
Denniswiseman
Pool Industry Leader
Pool Industry Leader
Posts: 1204
Joined: Tue 06 Sep, 2011 05:48
My Pool: 10k inground fibreglass, Telescopic Cover, Hayward Powerline pump, Quality filter with glass media, 27kw output heat pump, K-2006C test kit
Location: United Kingdom

Re: Attached SPA drains down

Postby Denniswiseman » Mon 28 Jan, 2019 04:42

Unless you have an overflow
I doubt the pool level stays the same, it's just the amount it rises isn't noticeable because the quantity of water being returned is spread over the entire pool
What is the surface area of your pool and the volume of water in the spa that you are losing?
Please supply some images so we can better understand your layout

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