Identify Pipes w/ Check Valve

[JamesW]

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[myeag]

That’s a possibility. Between the filter pressure and the spa flow going crazy, maybe I didn’t notice the valve opening. But, most definitely Line 1 is the pool wall returns and Line 2 is the pool bubblers.

Again, I would like to thank you for your patience and expertise figuring this out. This was the last piece in figuring out the plumbing on my pool and I am very grateful for your insight.

 

[JamesW]

Were you able to verify that the check valve was opening?

 

[myeag]

No. Pool is functioning properly on freeze protection so I’m not worried about it. If my spa is not draining between the pool/spa FP cycle and since the spa had a pretty powerful flow when the pool returns/bubblers valves were off, I’m pretty confident that valve is fine and there is no blockage. Like you mentioned, the water has to go somewhere and the only direction it can go with that specific condition is the spa and it sure looked like it to me. If a problem does arise, I’ll know what to look at. Besides, I have my winter pressure gauge on the filter and it’s not accurate (it’s a gauge that was frozen last year) and right now isn’t a good time, weather wise, for me to be high/lowing my pump. In a couple months I plan on updating the wiring in my control center, installing my new VS pump, calculating TDH to get the speeds I need, and connecting my heater to the control center via RS 485. I’ll address it then. If it ain’t broke, don’t fix it attitude. I will give an update then. Thanks again.