Weil Mclain Ultra 155 Boiler


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Old 01-09-11, 10:50 AM
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Weil Mclain Ultra 155 Boiler

using a weil mclain boiler with the weil mclain ez up manifold, 1 side of the manifold is shorter then the other where it attaches to the top of the boiler, so it leans down towards the outgoing supply. Is this correct?
 
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Old 01-09-11, 11:19 AM
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No It should be the same. Its sized for the circ that ships with unit.



http://www.weil-mclain.com/en/multim...p-manifold.pdf

Mike NJ
 
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Old 01-09-11, 11:48 AM
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It should look like the picture in that brochure that Mike posted...
 

Last edited by NJT; 01-09-11 at 07:22 PM.
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Old 01-09-11, 05:56 PM
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Ultra 155 boiler

ok thanks for the reply I just added a close nipple to one side to make it level, for some reason it was about 1 1/2 inches short on one side. Also does anyone have a diagram on what the zone should look like when added to the ez up manifold
 
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Old 01-09-11, 06:01 PM
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The big question is did you use the circ supplied with the boiler?
 
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Old 01-09-11, 06:19 PM
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yes I did thats why I wasn't sure why is was not right
 
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Old 01-09-11, 06:26 PM
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Tpr you said it should lean down towards the supply side? I'm not a novice at plumbing but not a pro either just having some trouble installing new boiler I don't think the original was ever done right. They a manifold with zone valves on the supply side and then another manifold with shut off valves on the return side is that an ok way of doing the new boiler?

Are you still on the job? retired NJSP here
 
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Old 01-09-11, 07:21 PM
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Tpr you said it should lean down towards the supply side?
No... it should look nice and straight like the picture in the brochure that Mike posted... I said "yeah" cuz I wuz agreein' with Mike... shoulda worded that different I guess!
 
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Old 01-09-11, 09:29 PM
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Page 16 figure 15 for piping.

http://www.weil-mclain.com/en/multim...ler-manual.pdf

That ez manifold should fit right on the nipples coming out of the boiler. I would say you removed ot added something you did not need too.

Are you installing yourself. Its very easy to pipe things wrong and loose all benefits of a expensive boiler like these.

Good luck and take pics and let us know how it goes.

Mike NJ
 
 

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