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If you want a check valve add one, but they are not really needed. Pumps are designed to run dry for the minute or less it takes to prime. A better place to put a check valve, or manual valve, is between the pump and the filter. This prevents the filter from draining back into the pool when you remove the pump lid. Thanks, Jim R.
With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. It is being practiced by thousands of pool owners just like you. We are a registered 501(c)3 non-profit that is funded by user donations.
it seems that the valve door stays in the same position regardless of the water flow using pool or spa. The first picture is a close-up of the valve, the next pic is a position pic of where it is located [btw the puck feeder and the heater-note, pucks are only used to raise CYA when appropriate] Note, the pic of the ck-valve close up is while ...
Today my coworker came over to check out our new pool and give me some pointers since he has had a pool for many years. While he was looking at my check valve that flows into the heater it looks like it hardly opens up. We increased the speed from 1850 RPM to 2600 RPM and it still looked the...
Hello everyone. We have a pool that is down the hill from the pump and filter. There is a check valve currently installed between the pump and the pool. It is actually after the main and skimmer valves, just before the pump itself. We're having issues where the pump will not prime after periods of rest after being shut off. It seems to be ...
Then the gap wouldn't be 1.75 feet, but rather 0.5 to 1 foot. That would mean the pressure exerted on the check valve spring would be around 0.433psi or less. If most check valves have a minimum cracking/opening pressure rating of 0.5psi, then I should be fine and wont need to find an exotic check valve with a higher cracking/opening pressure ...
I my Intellichlor manual, it recommends having a check valve between the input side of the IntelliChlor cell and the heater output pipe to prevent high concentrations of chlorine entering the heater when the pump shuts off. There is a similar recommendation in my MasterTemp heater manual. My PB...
When you open the basket you lose water back to the pool so you will want a shutoff/ball valve before the pump. Don't use a check valve before your pump as it can create an entrapment hazard. As for starving your pump a good practice is to always run the system after doing maintenance on it. You should notice a closed valve pretty quickly.
The orig layout had a Hartford loop at the pad with an (assumed) check valve in the upper horizontal section. It looks like the Hartford loop is useless at that location (Hartford loop eval in my "reviving out of service pool" thread) and that all that I need is to have the blower mounted at least 12" above the max water line with a check valve ...
With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. It is being practiced by thousands of pool owners just like you. We are a registered 501(c)3 non-profit that is funded by user donations.