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Hoffman Differential Loop Vapor Replacement

This vintage 1983 Weil has served her purpose. Economite gas conversion burner. Time for retirement. Very close quarters to work in, with a hot water basement loop as well. Patience...



The original boiler must have been quite a beast. When they took that out and put this one in, they just did a cut and paste job with a single 2" copper riser to the original header. Take a peek at the Hartford loop. Or should I say Gifford loop?! Anyway, that old header has to go...

I was surprised to find a Gorton No.2 doing the venting, which will work just fine I think:



I think I've got the new header piping about figured out:



Let's get started...



New England SteamWorks
Service, Installation, & Restoration of Steam Heating Systems
newenglandsteamworks.com

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