Yet another hot tub draining thread...

jonredraider

Member
Mar 20, 2017
15
Austin, TX
Pool Size
19000
Surface
Plaster
Chlorine
Liquid Chlorine
Hi all,

This is a great resource. Glad I found it!

Anyway, just moved into a new house and noticed that the hot tub drains to pool level every night when the pumps rest. I have seen a lot of threads here and elsewhere with ideas.

I don't think I have a check valve installed at all. Before I go through the trouble and expense, as I see there are alternate reasons for this symptom, the question is...

Without a check valve, is it guaranteed that the spa will drain to pool level with the pumps off?

EDIT: Should mention that I have the drain from spa to filter completely off. Have about 80% pool skimmer 20% pool main drain. Return is 50-50 spa and pool.

Thanks,

Jonathan
 
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