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Hot water migration trap

Larry Weingarten
Larry Weingarten Member Posts: 3,226
...ever seen any good research on heat trap design and effectiveness? Years ago gravity type traps were built into electric water heaters,(never as deep as 18"). I have seen thermal scans of 4" traps that seemed to work OK, but it seems there must have been some more thorough research. I've just not seen it.

Yours, Larry
ps. Did you know they used to build heat traps into the flues of gas water heaters?! ;~)


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