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Pex supply and discharge

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Pex supply and discharge

New postby wwilson3 on Mon Aug 10, 2009 10:32 am

Hi there
Can pex be connected directly to the tank with out 18 inches of solid pipping ( electric or gas)
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Re: Pex supply and discharge

New postby Jerry Peck - Codeman on Mon Aug 10, 2009 1:33 pm

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Re: Pex supply and discharge

New postby wwilson3 on Tue Aug 11, 2009 12:35 pm

Thanks Jerry
I just wanted a second thought on this been a dispute around here. I new gas but was not sure about electric. How ever the sun light thing is good to know.
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Re: PEX supply and discharge

New postby Jerry Peck - Codeman on Tue Aug 11, 2009 4:08 pm

Yes, just gas as the newer electric water heaters (of the last 20-30 years, and especially the newer foam insulated ones since around 1990) are insulated enough to keep the heat in the water that there is not much heat being transmitted to the surrounding area.

Gas water heaters are also well insulated but the draft hood and the vent, either Type B Gas Vent or single wail, are the problem areas.

The powered vent water heaters with the PVC for the vents would also not be a problem as there is not much heat transmitted through the PVC vents.
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