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Old 02-01-2015, 06:56 PM   #16
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Haha! Yeah, I totally agree. Fortunately, I tend to err to the cautious side when working with NG as I am not a plumber. In fact, I always turn off the gas at the meter before working on that system and I mentioned in my OP that shutting off the gas was indeed part of the plan.

I assumed that due to a lack of oxygen in the line, I was probably OK chopping away at the pipes (again, with the gas shut off). But again, I don't do this every day and therein, I always like to get input from the professionals (and I've spent enough time on this site to get a good feel for who those people are).

At any rate, I shut off the gas today, cut the lines, unscrewed the pipes and fittings and installed plugs in the existing tee's (using yellow PTFE tape).

Thanks for all of the comments, guys. I always appreciate the advice.

J
good to hear you have a grasp on things and the ability to know the differance between good and bad advice...and from your explanation you did a good job and you did it right..
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Old 02-01-2015, 07:56 PM   #17
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Quote:
Originally Posted by BigJimmy View Post
Haha! Yeah, I totally agree. Fortunately, I tend to err to the cautious side when working with NG as I am not a plumber. In fact, I always turn off the gas at the meter before working on that system and I mentioned in my OP that shutting off the gas was indeed part of the plan.

I assumed that due to a lack of oxygen in the line, I was probably OK chopping away at the pipes (again, with the gas shut off). But again, I don't do this every day and therein, I always like to get input from the professionals (and I've spent enough time on this site to get a good feel for who those people are).

At any rate, I shut off the gas today, cut the lines, unscrewed the pipes and fittings and installed plugs in the existing tee's (using yellow PTFE tape).

Thanks for all of the comments, guys. I always appreciate the advice.

J
I appreciate your respect of NG. Lots of homeowners come here with gas questions and ideas that make us cringe
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Old 02-01-2015, 08:46 PM   #18
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I appreciate your respect of NG. Lots of homeowners come here with gas questions and ideas that make us cringe
As an engineer, I've spent a pretty good amount of time reading the UPC, IPC and state/local codes. I've done a fair amount of NG work on some hydronic systems and DHW heaters and therein, I'm pretty comfortable. Unfortunately, a distant family acquaintance was almost killed when her house blew up due to a NG leak in her basement. The entire house was destroyed (nothing was left except a rather large crater) and she was thrown 100-150ft by the blast and suffered 2nd and 3rd degree burns as a result (it's amazing that she lived to be honest). This was an instance where the appliance gas valve malfunctioned. They had a momentary loss of gas supply from the utility which caused the pilot to flame out. However, the gas valve (defective) did not respond properly and close to the loss of thermocouple signal. When the gas was restored, it filled the basement and was inadvertently ignited by the furnace motor contactor (according to the Fire Marshall and a 3rd party forensic engineer hired by the insurance company). Pretty scary stuff and obviously the conditions were quite different (and certainly adverse) compared to what I was dealing with. So, yes, I have quite a bit of respect for NG and safety in general.

Take care,
J
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