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An interesting observation

Jamie Hall
Jamie Hall Member Posts: 24,496
which might be of some value to someone.  I hope.



I recently had a lovely new boiler installed -- really nice job and first class workmanship (thanks, Charles!).  Runs much better than the old one, which was the same boiler but the old near boiler piping was a bit odd... (not to mention the boiler hadn't been assembled properly and finally developed a neat hole above the water line).



However, I have improved things even further.  The system is Hoffman Equipped, and really doesn't like anything over about 7.5 ounces per square inch.  That said, vapourstats tend to be a bit twitchy at those low pressures.  I put a snubber on the pigtail to the vapourstat and it made quite a difference -- no more tendency for false trips on small pressure surges (which are inevitable).  They're cheap.  Highly recommended.  System is now set at 7.2 ounces cut out, 6.7 ounce differential.



For what it's worth...
Br. Jamie, osb
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England

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