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    Thanks Jim, I have the manual for the boiler, 20+...

    Thanks Jim, I have the manual for the boiler, 20+ years old now, so will have to see if the list an acceptable range. The relief valve is 30psi so I worry that might pop one day but maybe I'm...
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    H/W Boiler High Pressure

    My boiler is running at 20psi cold. I'm concerned this is too high. I'm using a bladder type expansion tank and Taco autofill valve (boiler feed). The convectors are cast iron radiations. The...
  3. Conclusion

    I posted my conclusion to a previous thread. Thanks for everyone's help!

    http://www.terrylove.com/forums/showthread.php?32675-Hot-Water-System-Dilema&p=264730
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    Conclusion

    I finally completed this project over the past weekend and wanted to follow-up with a conclusion as my experience may help others. I would also like to thank everyone who chimed in on this post as...
  5. HJ - I brought up the topic of the spacing...

    HJ - I brought up the topic of the spacing between the tees with the B&G rep and he said anything equal or greater than 6 pipe widths (6" in my case) is fine - didn't seem like it's an issue. I...
  6. HJ - thanks for explaining the mechanics of a...

    HJ - thanks for explaining the mechanics of a monoflow tee... I'm learning something new everyday. During the system design, I forwarded all this info to my B&G rep. He assured me everything will...
  7. Thanks... I'm installing the pump on the feed...

    Thanks... I'm installing the pump on the feed side and the air eliminator, expansion tank, and water feed will be before the pump - just as you described.

    I think the pumps from the 30's had...
  8. Wally took your advice and searched the...

    Wally took your advice and searched the heatinghelp.com forums on monoflow. I found a great link to B&G site that was basically a refresher course or crash course on how to install. I'll post link...
  9. I've read heatinghlep.com backwards and forwards...

    I've read heatinghlep.com backwards and forwards several times in the past year - that site is awesome. I have to check out the forum, never been in there.

    I hear you on the manifold setup but I...
  10. Wally - please read my original post, link at top...

    Wally - please read my original post, link at top of page. The manifold setup was something I considered. I ruled it out because too complicated with pipes everywhere and difficult to equalize the...
  11. OK, thanks hj. I'm only using the monoflow loop...

    OK, thanks hj. I'm only using the monoflow loop above the main. The basement will be on a separate pumped zone with baseboards.

    They did give me parameters for the distance of the tees - 6x pipe...
  12. Can Monoflow tees lie flat to floor joist or hang below

    This is a followup post to an old thread of mine. Special thanks to hj and johnjh2o1 for steering me in the right direction. To make a long story short, I'm restoring a Monoflow system in my house....
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    I want to thank John and HJ for their help - I...

    I want to thank John and HJ for their help - I really appreciate their contribution to this forum.

    I felt I should post an update on this situation to share with the others my experience. After...
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    Can you guys take a look at this plan? Please...

    Can you guys take a look at this plan? Please let me know what you think. I'm going to recycle parts I already have so I only listed items that I need to purchase.
    ...
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    I'm one the fence here on what to do. One...

    I'm one the fence here on what to do. One plumber came out this past Saturday, spent about an hour with me, and still waiting for a quote. I have another plumber coming out tonight.

    The first...
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    John or HJ - Do you see any potential problem...

    John or HJ -

    Do you see any potential problem if I were to use 1" PEX for the main return and supplies lines instead of copper? This would be plumbed in a 2 pipe reverse return as John suggested....
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    I read about the 2 pipe return. Not too sure...

    I read about the 2 pipe return. Not too sure what was there originally. I will mention to the plumber. The manifold setup seems way to complicated - think it was a neat idea but not a good...
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    I had a licensed plumber come out this Saturday...

    I had a licensed plumber come out this Saturday and look at my system. He too, like the rest of you, agreed that the previous plumber completely strewed up. He seemed highly knowledgeable and was...
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    Yes HJ, the plumber I hired know nothing about...

    Yes HJ, the plumber I hired know nothing about heating systems. My goal here is to restore and bring back to what it should be. After reading the posts on this forum, and information I gathered on...
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    John - I have one more question, BTW: thanks for...

    John - I have one more question, BTW: thanks for all your help.

    I was looking at my boiler last night, a Weil McClain 110K/88K BTU boiler. The return and supply pipes are 1". According to the...
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    The system originally a two pipe system with a 1"...

    The system originally a two pipe system with a 1" supply and 1" return feeding the entire house - basement, first floor, and second floor.

    I was leaning towards your recommendation of switching to...
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    John - I'm thinking maybe best to go with one...

    John - I'm thinking maybe best to go with one zone for the first and second floors (like it was) and add a separate zone for the basement since I will be using baseboards.

    I have an appointment...
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    John - you are correct, he piped each floor in...

    John - you are correct, he piped each floor in series loops with 1/2" PEX.

    My original system was not monoflow, I had two separate pipes that snaked around the basement and one end of radiators...
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    Let me add the following: Radiators have 1/2"...

    Let me add the following:

    Radiators have 1/2" risers that run in wall so I can't change them.

    All zones re-piped with 1/2" PEX in a series loop.

    First floor radiators call for about 40,000...
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    Hot Water System Dilema

    I bought my house last summer, 2 story cape (1200sqft), with a gas fired hot water heating system. There are cast iron radiators throughout, with the exception of two rooms that the previous owner...
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