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    New Heater Installed, Check Valve is making things tough with a variable speed pump

    Last season I had a new heater installed after 23 year with a Pentair Minimax, with a new Pentair heater and the shop also installed a Jandy 7305 backflow valve. It seems to work fine, but the issue I'm having is the backflow valve requires the pump be on full (almost 3,000 RPM) or else...
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    Opinion on whether new heaters are more efficient

    I have a roughly 20 year-old Pentair Mini Max NT heater, and I've replaced many parts on it to keep it running (blower mother, fenwal, three control boards, and now an igniter), and I'm okay fixing things from time to time, but it appears to me that our propane usage has shot way up this year...
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    Cleaning Pool Heater - Update

    So this is a follow-up to this old thread... here. I've had intermittent E05 errors through the years, most of have cleared by waiting a bit. I had previously replaced the Fenwal a year or two ago and the control board last fall and that helped, but I would occasionally get E05. I...
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    Keeping my pool open in Maryland this winter

    My plaster was just finished in my refurb November 1, and I wanted to keep the pool open a full 2 months to let the plaster cure. My plaster is pretty well cured, although as you'd expect, the pH keeps rising a bit. But my overall chemistry is pretty much dead on. In looking through the weather...
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    Pentair Minimax NT question (not what you think)

    So yes, I do have the occasional E04 error, but I think I've traced that down to a bad igniter. I just have to figure out where the igniter is.... but ignore that for the moment. No, what real question is about the 3 digits LED display. Over the past 3-4 seasons, the LED display has...
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    Pool Renovation, need help with new chemistry.

    I had my pool built in 1998, I managed to nurse it through the last 7-8 years using advice here and it's given me a pretty good understand of what I would do differently next time, and so that was our thought process going through bids and listening to some very talented pool and deck people in...
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    Advice on new Hayward Tristar VS Pump

    I installed a Hayward SP3200VSP TriStar VS Pump last week, really like it, love the lack of noise, love the ability to program etc. However, in reading the manual, it pretty much says that when you winterize the pool, the pump should not be covered, it should be disconnected and brought...
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    Polaris Outlet Right Angle connector

    When my polaris pump was installed many years ago, the installer used a right angle connector from the top of the discharge because it gave a better angle to avoid a big loop. Long story short, I need a new right angle connector, but my googling skills have failed. It doesn't appear to be a...
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    Pentair MiniMax NT Stopped working overnight E04

    Lots of stories about this, and it seems to be one of 2-3 possible causes. So here's the symptoms (first, it worked last night before I went to bed): 1) E04 error code 2) I reset the heater with a power down 3) When the heater turns on, you hear a click of the relay, but nothing happens. 4)...
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    Replacing Hayward C4000 Cartridge Filter

    Hi, first post, new forum, but you guys seem knowledgeable, and so I need a bit of help. A little background, the pool is a 22,000 gallon, 1.5HP 2 speed pump, Hayward C4000 cartridge filter (425^2 ft.), and a Pentair Heater. The pool works great, easy maintenance. Its 16 years old. I've...