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| Joined: | Sat Feb 6th, 2010 |
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My tank has two 4500W elements and measured voltage is 234 so you could have a point. I tested the upper thermostat with an ohm meter by placing a lead on each of the two left-hand terminals as instructed by someone on this site. There was some continuity which according to the instructions would indicate the thermostat should be changed out. Do you think the thermostat could be malfunctioning intermittently? I tested it yesterday and it seemed to be functioning properly (sending 230 volts to the upper element and about 48 volts to the lower, then switching to the lower with about 230 volts once upper tank water temp reached set level).
Valtec.