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  • #16
    Re: Best ways to support an expansion tank

    [QUOTE=James P;279339]Easy with the sarcasm.

    I have an apartment complex that the city is requiring the installation of expansion tanks. Just need some ideas on the best way to mount them.

    James,How did You read sarcasm into what I wrote ??? I was thinking ,with 60 You have to have some different installations and We'd all learn something here.
    Oh, I can be a horses a$$ , but You gave Me no reason to go there. Tool
    I can build anything You want , if you draw a picture of it , on the back of a big enough check .

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    • #17
      Re: Best ways to support an expansion tank

      Originally posted by breid1903 View Post
      we have private water. a well. i put the welltrols on a shelf up next to ceiling. laugh if you want but it frees up a bunch of floor space. i sell a lot of them by just asking people if they would like it moved. could they use the space. they do and they can. breid..............
      That's clever and pratical
      I can build anything You want , if you draw a picture of it , on the back of a big enough check .

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      • #18
        Re: Best ways to support an expansion tank

        Originally posted by plumberscrack View Post
        I try to make a habit of hanging them down using threaded fittings. Never horizontal. I find it best to keep the bladder wet at all times for a longer life.
        Never thought about the bladder getting dry on the horizontal !
        I can build anything You want , if you draw a picture of it , on the back of a big enough check .

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        • #19
          Re: Best ways to support an expansion tank

          When you think about it the units don't weigh all that much until the bladder ruptures on day and the tank competely fills with water! Then watch out!

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          • #20
            Re: Best ways to support an expansion tank

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            • #21
              Re: Best ways to support an expansion tank

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              • #22
                Re: Best ways to support an expansion tank

                Hey spam SCRAM !
                I can build anything You want , if you draw a picture of it , on the back of a big enough check .

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                • #23
                  Re: Best ways to support an expansion tank

                  Like others said, I have supported them in houses with galvanized strapping. In commercial applications where the exp tanks are larger and we have threaded rod around (we call it redi-rod you call it all thread) we use threaded rod to support plywood and hold the tank vertically to the celing, or we support the tank on unistrut hung from threaded rod in the same manner. We use the same technique for unit heaters. The inspectors around here seem to like it. For a semi-off topic comment, a guy in my neighborhood who was having a garage sale had a large unit heater hung from his garage ceiling with strapping, he said he moved the heater himself when I asked about it. No permits, no inspections. He even pierced the housing with sheet-metal screws. Incredible.

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                  • #24
                    Re: Best ways to support an expansion tank

                    I usually put a 3/4 brass tee on the heat trap nipple with a 3/4 x 6 br nipple out the side and a 90 looking up. no support needed.

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                    • #25
                      Re: Best ways to support an expansion tank

                      I imagine the W.H. expansion gives a little cushion [ water hammer ] to other fixtures.

                      I've been using a 2.1 expansion gal. tank [ no check valve] for a 40 gal. W.H. .

                      Maybe I should upsize for the whole house benefit. Any thoughts ?
                      I can build anything You want , if you draw a picture of it , on the back of a big enough check .

                      Comment


                      • #26
                        Re: Best ways to support an expansion tank

                        Water hammer arrestors should be close to the fixture seved. I wouldn't think it wold do much.

                        I put a 3/4 tee on the run with the tank right off the vertical usually, no support needed.

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                        • #27
                          Re: Best ways to support an expansion tank

                          Originally posted by Birddoggiest View Post
                          Water hammer arrestors should be close to the fixture seved. I wouldn't think it wold do much.

                          I put a 3/4 tee on the run with the tank right off the vertical usually, no support needed.
                          Our code requires air chambers at all fixtures !
                          I can build anything You want , if you draw a picture of it , on the back of a big enough check .

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                          • #28
                            Re: Best ways to support an expansion tank

                            i don't understand how the tank bladder could be dry if you mount it upside down. isn't it still under pressure and the bladder should still have some water in it? just asking.

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                            • #29
                              Re: Best ways to support an expansion tank

                              Originally posted by taddeeper View Post
                              i don't understand how the tank bladder could be dry if you mount it upside down. isn't it still under pressure and the bladder should still have some water in it? just asking.
                              excellent point !
                              I can build anything You want , if you draw a picture of it , on the back of a big enough check .

                              Comment


                              • #30
                                Re: Best ways to support an expansion tank

                                Originally posted by toolaholic View Post
                                I imagine the W.H. expansion gives a little cushion [ water hammer ] to other fixtures.

                                I've been using a 2.1 expansion gal. tank [ no check valve] for a 40 gal. W.H. .

                                Maybe I should upsize for the whole house benefit. Any thoughts ?
                                What would the benefit be on up sizing a thermal expansion tank on the water heater if you already use air chambers at every fixture?

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