Do you mean from the mains to the water meter or from the water meter to the house? We used copper all the way to the street.
I can’t believe the mains themselves could use PEX: if nothing else the pressure would be too high.
I can’t believe the mains themselves could use PEX: if nothing else the pressure would be too high.
HDPE is used extensively in all underground utilities, including but not limited to water, sewer, gas, electric, fiber.