From left to right, they are SPA MAIN DRAIN, CLEANER, SKIMMER, and POOL MAIN DRAIN. For the cleaner to operate at maximum efficiency, only the skimmer and cleaner valves should be open. No other valves should be open. So it is either main drain+skimmer or cleaner+skimmer.Jul 21, 2021
How does a hydrostatic valve work in a pool?
A hydrostatic relief valve is located in the deepest part of your pool usually under the main drain cover. ... In this case, the hydrostatic relief valve will open allowing the ground water to enter the pool to relieve built up pressure from underneath the pool. The valve typically does not need any maintenance.Feb 13, 2015
Can a hydrostatic valve leak?
A leaking hydrostatic relief valve may be responsible for your pool's water loss. This is an easy repair for a qualified diver who will replace the valve without draining the pool. Hydrostatic valve leaking is only a problem for inground concrete, gunite or fiberglass pools.Jan 22, 2018
How do I know if my pool has a hydrostatic valve?
https://www.youtube.com/watch?v=S-FAUPCnvnc
Where is hydrostatic pressure relief valve?
A hydrostatic relief valve is located in the deepest part of your pool usually under the main drain cover. The purpose of the hydrostatic relief valve is to relieve the pool of water pressure for those with high water tables.Feb 13, 2015
Where is the hydrostatic valve?
A hydrostatic valve can prevent ground pressure problems in a pool. A hydrostatic valve is a pressure relief device installed on the bottom of a swimming pool which prevents ground water pressure beneath the pool damaging the liner or even raising it out of the ground.
What is a hydrostatic relief valve in pool?
A hydrostatic relief valve (HRV) is a check valve that is installed into the floor of a swimming pool in the main drain. The function of the HRV is to allow the ground water table surrounding the pool to equalize with the pool water.
What is drain at bottom of pool for?
Main Drain: The main drain is typically located at the deepest point of the pool and is used to lower the water level, however its primary purpose is to circulate water from the bottom of the pool.
Does a concrete pool need a hydrostatic valve?
"In a concrete pool, you're supposed to have a hole in the bottom of the 'boat' in the form of a hydrostatic relief valve," Anderson explains. ... During a storm water will gather where the ramp was located and then infiltrate around the pool. The shell will pop even though there's no high water table."Mar 11, 2015