|Posted by HJ on March 23, 2004 at 08:22:14:|
|In response to Re: Gas Line Sizing|
To calculate the size correctly, you have to use the distance from the gas meter to the water heater and then see what size is recommended for 199,000 btu. I think you will wind up with a recommendation of 1" piping.
: I'm replacing my hot water heater with a tankless type. The tankless type requires 3/4" npt gas pipe size. My existing gas line is 1/2" teed from a 1" line roughly 20' from my gas meter. The unit is only 190,000 BTU max. Can I survive with the 1/2" gas line? Or, can I keep the tee and increase from the 1/2" to 3/4"?
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