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Loyal
Replacing main water line
Loyal

I need to replace the main water line to my house. My house has every water line that is out there (cast, copper, PVC, Plex, galvanized. Right now the main line is galvanized. The line is 3/4" or 1", I have been told to run 1" PVC from meter about 2' and then change to 2" pipe up to the house. Then change back to 1" going in to the house.
I live in Kansas, so never know that the weather will be like each year. The meter is about 300' from the house and it does go under a rock drive. Have rural water. I know that the lines are mostly closed up from all the years. Need to know what is the best pipe and size to use. Any information will be greatly appreciated.
Thanks

johnjh2o
Re: Replacing main water line
johnjh2o

Increase the line at the meter to 1-1/2" then reduce to the to the size you have inside the home once inside the basement.

Loyal
Re: Replacing main water line
Loyal

What kind of pipe should I use to the house?

Fencepost
Re: Replacing main water line
Fencepost

My personal preference would be PEX, but that will require special tools for connection -- traditional hose clamps are not approved by any manufacturer. Where you run under the road, run it through a length of schedule 80 (not schedule 40) conduit for additional crush protection.

PEX is more chemically stable than PVC, won't corrode, and is freeze-tolerant. The biggest hit against PEX is the cost of the tools required for installation. Galvanized is unacceptable for longevity, cost, and ease of installation.

I think 2" is overkill; 1+1/2" should be perfectly sufficient. The added diameter reduces flow resistance over long distances. Plan your layout to minimize the number of 90-degree fittings -- those create significant resistance to flow.

dj1
Re: Replacing main water line
dj1
Loyal wrote:

What kind of pipe should I use to the house?

Call local plumbers and ask them: "what is the most popular pipe in this area?"

I doubt any of them would recommend PVC or galvanized.

In my area, the most popular pipe is copper. Expensive - yes. Reliable - yes. PEX never gained popularity since it was approved, just a few years ago, for a few reasons - but that's another subject.

Also, make sure your plumber buries the pipe following local codes, as far as depth, pipe covering, freezing zone, etc.

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