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Question DetailsAsked on 7/17/2013

I need a quote for replacing a PolyPipe main cold water intake to our house please (the pipe from the street to the house intake)

All other pipes in the house were replaced by previous owner, only the main cold water intake remains. It's not damaged, only want to replace as a precaution.

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I am at a loss why you want to replace your water main if it is not giving problems - that is thousands of $ for a normal house, especially if in an area with deep frost penetration, plus a lot of torn up lawn or plantings, plus if your water feed comes in under the slab, tearing up some ceilings and walls to change the replacement feed to come up inside a wall and then to the prior distribution point through floor joists.

PolyPipe polybutylene pipe, if that is what you have, which was commonly used in the 1970-1994 timeframe, has been known to fail - the main problems were with chemical attack by chlorine in tension zones at connections fittings inside houses, not so much in the pipe itself, and the main feed should have no more than 1 or 2 connections in it if done right. There have been problems in water with high chlorination levels, but that is not a problem in most parts of the country, except with swimming pools. Not all poly pipe is polybutylene, and not all poly pipes have had a problem - the main problems have been connections failing or the pipe splitting at the swaged connections.

I would recommend reading up on the issue - google this phrase - PolyPipe problems

Also, when you said PolyPipe - that is a company name, which makes several plastic pipe products. If you mean polyethylene pipe in general, only certain brands and types of poly pipe had problems - you should check which you have before jumping into mass replacement. The types usually having problems in houses were NOT types normally used for service lines, so what you have coming into the house may not be a problem at all.

Look at the link to Home > Plumbing below your question for recent comments on the price range for this type of replacement, if you decide you want to go ahead with it.

Answered 6 years ago by LCD

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