WM Easy-Up Manifold Leaking


Old 09-10-14, 12:02 PM
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Join Date: Sep 2014
Location: USA
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WM Easy-Up Manifold Leaking

Hello everyone ! 1st Post to ANY Forum, so be gentle.
I have a Weil McLain gas boiler that was installed about 2 1/2 years ago replacing an oil burner (hot water baseboard system). I just noticed that the EZ Up Manifold is leaking (on both the supply and return sides) at the dielectric unions where the manifold connects at top of the boiler. The connections seem to be tight. I am wondering if there is an O ring or similar that was left out when it was installed. I checked the WM site, but I don't see any indication of O rings.

Also I noticed that the pressure gauge reads 0 (Zero). I replaced the auto fill valve, but the gauge doesn't move. AND when I tried the fill lever nothing happened. It's as if the fill valve isn't working. That is why I replaced it. But the new one is acting the same as the one I replaced. The system will not take any water, even after I drained a few quarts from it.

Any ideas?

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Old 09-10-14, 02:24 PM
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NJT is offline
Join Date: Oct 2006
Location: USA
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Hi Peep, welcome to the forum, we'll go easy on ya, I promise... well, at least I will!

Can you start by showing us a series of pictures of the boiler and all the piping around it? Take some that show the entire system in addition to any closer shots...

Oh... and tell us the full model number of the boiler as well (it's an Ultra, right? What size?)

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