Using CPVC on a hotwater heater


Old 04-12-05, 11:18 AM
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Using CPVC on a hotwater heater

I have a gas hot water heater that has copper hot and cold pipes. I need to branch off to provide supply to a new bathroom I'm building. I wanted to use CPVC for the supply to the new bathroom. Instead of tapping into the copper lines, is it ok to replace the copper hot and cold lines with CPVC and then branch off of those to supply my new bathroom?

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Old 04-12-05, 06:54 PM
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Location: Kansas City MO
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You need to talk your local code people. Some codes require a metal connection to a gas water heater within 12 or 18 inches (depending on the code). The reason for this is the proximity of the pipe going to the inlet and outlet of the tank being inches from the vent. Plastic pipe installed in this location can melt, even though full of water, stretch to a leaking condition which is bad.

Otherwise, use as much CPVC as you want as there should be no problems anywhere else on your water supply system.

More questions, ask and someone will help you out...Good luck and have fun with your plumbing...

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