Many old houses have low water pressure. The galvanized steel used in the old days fills in like an artery closing in. This eventually limits water pressure. My house already had copper (which doesn’t close in) inside the house. I needed the line from the city line to the house replaced. This involves digging a hole 3.5′ deep to get below the frost line.
This summer I want to landscape the front lawn and I also want to start putting up drywall in the basement. This new water line should be in place before either of those projects take place. Sprinklers will also magnify a low water pressure situation.
I had Dan, my master heating/plumbing guy, come out and fix my water pressure. Inside the house is entirely copper and therefore not the problem. The issue was galvanized steel piping that runs to the city’s water main.
Here is the front yard trench from city water main to house:
Here is a close up of the water main hole:
Copper entering the house:
Shutoff valve just inside house. To the right of the internal shutoff valve – the polyerethane(sp?) piping. This is rather new stuff – in the past it would always be copper.
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March 22, 2007 at 12:41 am
Chris,
What a vast improvement that must have made to your water pressure. We had a similar pipe replaced. The calcium and lime build up over time essentially clogged the entire inside of the pipe. You could not see through even a short section of the pipe.
In the bottom picture there are two shut off valves shown on a pipe connected in a loop. Why are there two shut off valves connected in the loop?