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Thanks Mark for all your informations. I definitely know more what to look for and what to expect. I made one mistake when I listed the water path above; the water is actually going the 3 way valve the branch flow path, not the inline flow path. Because of this, there is one less 2" elbow. The...

Thanks for your advice. I'll opened up the filter next week-end to check it out; I never did. Also, I am not discounting the fact that the gauge might be off. As for the SWG, I checked it 2 weeks ago, it's pristine. The return line is flex pvc (it's called Carlon I think). It's buried under the...

Strictly speaking of the 20 PSI path, the water get out of the filter from the 1.5" port. This is the pipe/fittings in order: - roughly 12" of 1.5" pvc pipe - 1.5" 3 way valve, line flow - roughly 12" of 2" pvc pipe - 90deg 2" pvc elbow - 18" of 2" pvc pipe - 90deg 2" pvc elbow - 18" of 2" pvc...

Hi Mark, thanks for stopping by. For the sake of brevity, I left out some details that now I realize are more critical than I thought. You are correct about the PSI reading. When the pool was freshly installed and there where nothing but the pump and filter, I was reading 15 PSI. So your model...

Thanks Jason. I pm Mark hopping he can join the party. What is certain is that keeping my current equipment and adding the heater will yield lower flow rate. So if I understand you correctly, you think I can keep the current sand filter and a going with a higher flow rate pump should maintain...

Right now, the plumbing is pretty simple. The equipment pad is pretty close to the pool; there isn't more than 10' - 12' of pipe from skimmer to the pump inlet. The filter is right next the pump. The return goes right back to the pool; the salt chlorinator is on the return line. There is 5 spa...

Thanks. After reading Mark's hydraulic 101 post, I sure hope to get his feedback for my particular problem. Regarding my equipments: - Hayward SuperPump SP2610X15 1 1/2 HP - Hayward sand filter 244T, 24", VariFlo 1 1/2" backwash valve - Hayward salt-chlorine generator piped inline I am...

I am planning to install a heater, either heat pump or gas heater, to my pool. The pool is 8000gl fiberglass, and the pump/filter is about 10' from the pool. Everything is plumbed with 1 1/2" pipes, the pump is 1 1/2 hp and a sand filter. There is no way I can physically locate the heater near...