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Chimney Condensation
Jpsmech28
Member Posts: 2
Good afternoon all, anyone have any experience with large amounts of condensation coming from a chimney clean out? Just installed a new gas water heater and boiler and having some issues. TIA
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Comments
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Argh. Did you get the chimney checked for size and condition? Is it lined? If not, why not? Most likely the new appliances have cooler exhaust and you are getting the condensation from that.Br. Jamie, osb
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England0 -
The homeowner is a contractor and recently had a chimney guy repair the bricks and pointing at the top and install a new cap. It was converted to gas 35 plus years ago and they were not enforcing the lining the chimney code. I installed the current version of the peerless boiler that was there and upgraded the 40 gal to a 50 gal water heater. The new boiler has the damper and electronic ignition. The chimney has 3 exposed sides. Would a stainless steel liner stop condensation. I believe he said it was 7" square fire brick or what ever they lined them with.
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Doesn't matter if they are not enforcing the liner. If it's an outside chimney in a cold climate it will always need a liner for the most part.
Yes liners heat faster than brick so it should stop the condensation0 -
The chimney must be suitable for the class of service. An inspection would determine it requires a liner simply for integrity to contain the flue gases. It should enter the room as high as possible. The water heater is improperly installed. It must be sitting in a metal pan to drainage. The TPR drainage must be within 6" of the floor. The draft hood has been modified by squashing it down onto the flue gas outlet using it a vent connector adapter. This was because the water heater is too high and the breeching too low. They broke the gores on an elbow to make it fit the low rise. They then installed a horizontal draft hood just before it manifolds with the boiler.
What is on the other side of the wall through that MUA grille?1
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