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Thanks again Matt. If the valve is still clear, maybe I'll wait on the tear down, though at this point I'm guessing the coverage of the cartridges is a bit uneven. I'll just see how things go.

Matt, I am 99% certain that I did have all the air out before charging the filter. I used CF in my old filter as well, and never had a problem. In fact, I had run the filter for a few hours before I even charged it, just to be certain that I had no leaks before bothering to do so. I didn't do...

Ok. This weekend I replaced my old, cracked FNS Plus 60 with a new Quad DE 80. Spent all day doing what I'm sure would have taken a pro 1 hour. :( Of course a lot of that was deciding exactly how to do my plumbing. Finally got everything running. The good news is I had no leaks. :D Bad news is...

Thank you for all the advice. I did buy the Quad DE 80 and still servidor on the plumbing. I think that I'll do it myself.

So are you saying that it isn't necessary, but not bad idea? In my current setup (with push pull backwash valve) I have no problem with water coming into the pump when I open it to clean the strainer basket.

Matt, Thanks. My pad is a little below the water line, so I should be fine.

If I do not put the backwash valve in, do I need to add a check valve between the pump and the filter?

Lol. But reading on TFP is good. I don't think that I'll be using him. I don't have a pool guy per say, as I try to do most of this myself. But since 1) I'm going with Pentair I don't want to lose the full Warrenty, and 2) I'm thinking to clean up the plumbing I'd rather have it done by a...

Heater works. No evidence of copper. I see no evidence of copper on the pool. It is the Purex MiniMax 400. So I think that I am fine for now.

Well, I have no bypass, so yes. What is the maximum flow rate through them? Thanks for the advice. It is Purex branded. I remember now that its been mentioned. 2nd point. The pool guy also (from the pics) said that my Intelliflo VF should have high temp unions on them (mine do not). Is this...

Thanks. He actually had not worked on it. Only saw it in pics that I sent. My PH is usually in the 7.2 - 7.8 range and I monitor it. Max flow is 100 gpm when I run for the spa. Perhaps he was pushing a new heater (not a bad idea considering the age), but I already have to replace my filter. So...

I just had a pool guy tell me that my old Minimax heater has brass and copper header and heater exchange, and that this ruins the plaster. This process is called bluing of the plaster. Is this true? Should I replace ASAP? Obviously, I'm very concerned. :( :( I just re-plastered like two years...

gary300: I noticed that you have the 60 on a 38,000 gal pool. How often do you have to clean it?

Thank you to those who have replied. I am definitely leaning toward to backwash valve. Those who have none, what do you do when you need to lower the water level for any reason? Thanks again. :eek:

Ok. I posted on help to choose a new filter, but I'm starting a new thread since it is a more specific question. I am leaning towards the Quad DE, and was thinking of going without the backwash valve (probably with a regular valve before it to facilitate draining the water if needed). Do most...

xyz: what kind of backwash valve do you use? Multi, HiFlo, or Slide?

I want to thank those of you who have replied already. xyz: I did think about the Quad, and will consider that too. I'm a bit of an over thinker on these kinds of things. Can't wait too long though with the leak.

My first time posting. Thanks to everyone for the advice that I've read here. I'm looking for some advice on a new filter. I discovered a leak in my Pentair FNS Plus 60 filter this weekend. The leak is directly through the bottom half of the tank. Considering the cost of replacing the bottom...