A hot water heater, gas or electric, requires a drain on the temperature pressure relief valve. And, when a water heater is inside a home, it is best if there is a drain pan under the tank and, we hope, a drain to outside. Both of those things were present in the photo below. So what is the defect? The defect is that the TPR drain, the copper tubing, is bottomed out on the bottom of the drain pan. One thing an inspector looks for is possible cross-connections. This is a subtle one, but this drain should end ABOVE the flood rim of the drain pan. Getting it higher by just a few inches ought to do the job. In the realm of repairs, not such a difficult job. Wish they were all that easy! Thanks for stopping by, Steven L. Smith
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