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Old 05-23-2019, 07:14 AM   #11
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We throw the expansion tank on for code. I agree, no need for it.
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Old 05-23-2019, 05:19 PM   #12
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Quote:
Originally Posted by dhal22 View Post
We throw the expansion tank on for code. I agree, no need for it.

I went to all the trouble today to install the thing with a small expansion tank on the floor, and their was a debate about whether the air intake needed to be run to the outside or it could just take air in from the basement.... It was only 9 feet away to the outside wall so outside it went....... very simple and very easy.... and its about 9 feet away from the tankless vent so I am pretty sure its just fine......

the gas line in this barn is from 1880 and their are dead abandoned gas lines branching off a 1 1/4 gas trunk line going from one end of the crawl space to the other end... This house used to have gas lights in every room and I think the lines are capped off in the walls...

. I am not gonna touch that line and risk some leak starting somewhere ....

We are gonna rip it all out next week and run a full one inch black line over to the furnace and tankless unit........ the customer is happy to upgrade the system after I showed them how nasty it really was....

You got to look over that gas issue very closely cause this one is a pain in the ass ..
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