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    Flow loss with a Raypak Heater

    8450Ti-E replaced a Hayward HP21404T
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    Flow loss with a Raypak Heater

    Jim R, Thanks for the quick reply. 3 things got me to question this. I understand that different heaters add resistance but the difference between the two heaters was huge, and by that I mean one ran as though there was no resistance the same as with the bypass fully closed so it had no...
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    Flow loss with a Raypak Heater

    If this has been asked here before, please help direct me to the thread. I did a search and didn’t find anything. I have a 15,000 gallon pool with a 1.5hp pump. 2” pipes. A clean cartridge filter. I had a Hayward 140k btu heat pump. The pool ran at 20 psI with enough flow to run three 24 inch...
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    Slam question

    Thanks, I must have missed that when reading how to SLAM. I'll let it drop to 12 and keep it there. Then bring it back up for a day.
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    Slam question

    I don’t know why it says I’m new here...I joined a long time ago. The member since date is way off. Anyway, thanks for the inputs. The pool has no hiding spots other than the skimmer. Rectangle 15 x 30. I was using the table by ChemGeek that said shock for mustard algae was about 19. Not having...
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    Slam question

    I searched the forums but didn’t see this. If I missed it, feel free to point me to an applicable thread. PooL: 15,000 gallon Diamond Brite surface Chemistry: FC 3.0 CC <.2 CYA 30 TA 90 CH 260 Phosphates 150 I use a Taylor drop test. (K2006) Clear water, new filter cartridges. I have algae...