Performed slab repair in walkway between dining room and kitchen. Found leak on 3/4 pex on water service main. Replaced an eight inch section of pex. Tested good and backfilled and brought concrete to rough finish. Replaced 50 gallon natural gas water heater on built in stand. Drained the house down and removed the water heater. Installed new heater with thermal expansion tank.That is secured to the wall.A new ball valve shut off. A pan that has a leak alarm and drains down to the floor of the garage. New gas flex. Grounded the copper. Installed temperature and pressure relief ninety. Turn to the water slowly back onto the house and primed all of the air out of the water.Heater and the freshwater lines. Tested good. Then, checked aerators for any type of clogging. We then turned the water heater on and allowed it to heat up a full tank of hot water. After doing so was able to see that the meter is no longer spinning. Thank you for choosing and trusting t e with your plumbing needs