What does the warping of the plastic escutcheons and moisture stains on the top of the water heater indicate.
a. Backdrafting
b. Careless installation damaging the escutcheon and causing the hot water connection to leak.
c. The expansion product of fitting dezincification has damaged the escutcheons and is causing fitting leakage.
d. Careless soldering by installers has damaged the escutcheons and allowed leakage at the hot water tank connection
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