scooter9
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Home is new. 1500SF on slab, one level with two baths. W&D in garage. Plumbing still under warranty.
Water meter indicated a leak (1.5 gallons/day) recently and a leak was found and repaired between street/meter and home. Meter stabilized for a few days and then began to move again. Now losing about 1 gallon per day.
Plumber reluctantly came back but didn't care to look at meter this time but chose a pressure test. The small guage, a bit larger than a silver dollar indicated 120 psi. The guage, attached to one of two outside bibs, was watched for about 20 minutes and indicated no leak so plumber feels I have no leak.
Toilets were off, ice maker off, hot water off (for 10 days) during meter checks. Dishes were washed in cold water to let hot water tank stabilize.
Assuming there's a leak of less than two ounces per 20 minutes, how reliable is a pressure test? How much would the needle move and could you even see it?
Water meter indicated a leak (1.5 gallons/day) recently and a leak was found and repaired between street/meter and home. Meter stabilized for a few days and then began to move again. Now losing about 1 gallon per day.
Plumber reluctantly came back but didn't care to look at meter this time but chose a pressure test. The small guage, a bit larger than a silver dollar indicated 120 psi. The guage, attached to one of two outside bibs, was watched for about 20 minutes and indicated no leak so plumber feels I have no leak.
Toilets were off, ice maker off, hot water off (for 10 days) during meter checks. Dishes were washed in cold water to let hot water tank stabilize.
Assuming there's a leak of less than two ounces per 20 minutes, how reliable is a pressure test? How much would the needle move and could you even see it?