replacing metal pipes with plastic?

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Old 01-20-14, 08:00 AM
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replacing metal pipes with plastic?

Hi,

I have a boiler powered by electricity. It replaced a long time ago an oil furnace. I have metal pipes running in the basement, but they are quite low : finishing the ceiling with leave me with no more than 6'4" of space, which is way too low. Also, from what I read, it appears that metal pipes become encrusted with debris and almost no water flows through them.

My question: is it possible to replace metal pipes with plastic pipes? With plastic pipes, I could bend them out of the way and this would allow me to have a higher ceiling.
 
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Old 01-20-14, 09:10 AM
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it appears that metal pipes become encrusted with debris and almost no water flows through them.
Potable domestic water piping, yes...

CLOSED Heating system piping, NO, doesn't happen.

is it possible to replace metal pipes with plastic pipes?
Yes, it's possible.

Your 'plastic' TUBING (not pipes) MUST be a type of PEX TUBING that is rated for use with heating systems. It MUST have an 'oxygen barrier'.

You can NOT use PVC, CPVC or any other type of 'plastic' pipe for your heating pipes.

This change must be properly engineered so that you have the proper amount of flow in the system after the change is made.
 
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