Ao Smith Water Heater Thermostat Test

The lower thermostat has only two terminals.

Ao smith water heater thermostat test.

Free shipping by amazon. Touch one probe of the multimeter to each terminal on the lower thermostat. Reliance water heater 100109136 electric water heater plumber repair pack includes 1 each upper thermostat. I think we can all agree that waking up to take a shower in the middle of winter only to find out that all the water is cold is not the best thing to happen to anyone.

4 6 out of 5 stars 153. How to test and replace a water heater thermostat. Amazon s choice for ao smith water heater thermostat. If we have an open or grounded element we will get a false thermostat reading.

The appliance is fitted with 2 replaceable incoloy sheated elements. Use the screwdriver to set the lower thermostat to the highest setting. This water heater is available with a capacity from 115 up to 450 litres. The reading on the multimeter should be zero.

Leave the upper thermostat in the lowest setting and test the lower thermostat. Get it as soon as thu oct 8. Ao smith 9001954015 upper thermostat with temperature high limit switch eco and cover before checking our thermostat we must be sure our water heater elements are good. 115 450 litres.