|Posted by hj on February 19, 2002 at 08:35:22:|
|In response to Re: testing elec. water heater thermostats|
It reads 120 volts because the element is burned out and is shorted out. Since it reads voltage it should also show amp draw and it may be heating at a low level even when the thermostat is off which is why the water overheats.
: Water way too HOT!! Trips high limit switch. Reset & I checked upper thermostat w/ volt meter (240 volts) at same time lower thermostat reads 120 volts !!!!??? When upper thermostat is off lower thermostat reads 240 volts. I thought when upper thermostat is ON (240 volts) that lower thermostat is OFF!!(0.0 volts). When
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