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New hot water heater problem

Posted by bs2100 (My Page) on
Fri, May 11, 12 at 15:14

I just installed a new electric water heater myself (done it before but I realize this was probably my error somewhere along the lines) and it only puts out warm water. I made sure that there was no more air in the lines when I turned on the power and the top pipes are still hot (not burn me hot, but maybe really really warm). I was next to it for like 30 minutes after power went on and I didn't hear any pops.

I changed the temperature on the top thermostat and it started putting out hot water like I'm used to, but after a day or so it went back to just being warm.

I didn't check the bottom thermostat though purely because I can't open the panel. It seems like the threading that's hanging onto the screws is detached from the inside of the heater so it just spins and spins and spins and doesn't tighten/loosen.

I read another thread here and someone suggested they're running a 240 V heater on 120 V and I have no idea if my old one was 120 V since it's gone already. Is there any other way for me to tell? It is hooked up to a double pole breaker.

And is there any way to get that bottom panel off that I'm not thinking of (short of hacking it off)? I feel like the water should be hot enough on default settings but it just bugs me that I can't open up the bottom thermostat and look.

Follow-Up Postings:

RE: New hot water heater problem

Bottom panel maybe screws are stripped. You want to put some pressure under the panel by the screw and then try to take the screw out. Think like pulling and turning the screw at the same time.
If you know about electricty get a meter and measure the voltage at the breaker. Don't do this if you don't have a clue.
Good Luck Woodbutcher

RE: New hot water heater problem

A 240 volt water heater powered by 120 volts will get just as hot as it will at 240 volts, but it will take 4 times as long to get there.

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