View single post by eleent
 Posted: Fri Sep 27th, 2019 04:04 am
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Joined: Sat Sep 11th, 2004
Posts: 4257
Hi, Another quick test is to put a hand (or finger tip) on both the hot and cold pipes on top of the heater. Have somebody turn on a hot tap. Feel the temperature changes in both lines. The cold side should cool down while the hot side should heat up. (If they don't do that and the cold line gets hot, the pipes are reversed!) If the hot side heats up to be hotter that what you're getting from the taps, there must be a problem out in the plumbing. If it heats only up to the delivered temperature, the problem is likely the thermostat. Thermostats are not cheap, your heater looks like it might be supplied with softened water and it is somewhere between ten and thirteen years old. The softened water makes anodes get used up faster, which implies there is a higher likelihood of rust damage inside of the tank.
If the hot side gets hot initially, but then cools some, the dip tube is probably bad. Again, let us know what you discover. :cool:
Yours,  Larry