no good. What will tell you something real is how much time it takes for the HW heater temperature to go down WITHOUT you turning on any taps, as this will be one real good indicator that there is a leak (under slab or elsewere). Another post from someone else also pointed out that when you turn off the main supply and wait fifteen minutes, the kitchen tap either has a lot of water to let out or a little, depending... That is the same idea, the same type of information confirming or not whether water is leaving your system. And whether the meter is showing any flow.Tucker said:When I turn the water supply back on, there is a 5 second rush of water to refill the tank. At this point, the water was normal hot. Running the water in the sink for 4-5 minutes brought the temp down to about 120 degrees. If there is a leak in the slab ....
jadnashua said:I'd be very leary about tunneling under the house, especially with sand which could shift, bury you or mess with the slab.
This is awkward, but...
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