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Thanks, kadavis, for pointing out my confusion: - D - which I freely admit to - My original calculations were based on some tables I found estimating head based on my estimates of unknown (underground) piping - estimated at minimum of 207 ft of 2 inch pvc on supply side and 193 ft (2 inch) on...

Thanks for your reply mas85. A few answers and and more question...always more questions! I did read that but was concerned because with my old pump, I could feel a pretty good water flow through the eyeballs; with my new pump, I could hardly feel flow at all even when it was new and filter...

Can I get some help (i.e., recommendation(s)) on pump replacement? We have an inground pool (about 32,00-35000 gal) that may be 40-50 yrs old. Recoating starting today (yay!) I have read the Hydraulic 101/Pump Basics postings and appreciate that information but there is still a lot I don't...

Thanks for the follow-up. I definitely appreciate all the input...I'm learning every day!

I am not planning to. Why would I? Thanks.

Thanks (both of you guys) for the help. I took more things apart and y'all are right. The rest of the impeller shaft sheared off and apparently rub itself smooth so it didn't look like it. I have ordered a new impeller and seal and hope to have them assembled by next weekend. Much appreciated!

Here is a close-up of the seal with the female threads. The impeller sits very close - here is is with the diffuser just removed. Thanks for your continued attention and help.

Here is the shaft -

Here are a couple - I am not sure how many I can post at one time - I will follow up with a couple more.

This is my first post but I am sure I can get some help here. I am following the TFPS methods as near as possible and have been incredibly pleased with this great resource. Thanks to the organizers. Here is my problem. I have an in-ground pool, about 30-40,000 gal. Pool was built in late...