Bradford White Water Heater LE120U3-1

Thermostat Removal and Replacement

Ensure power is 'OFF' to water heater

Remove access cover and insulation

Remove plastic thermostat protector from thermostat

Disconnect wires from thermostat terminals

Note thermostat temperature setting for proper setting of new thermostat

Slide thermostat upwards and out of mounting bracket

Use a stiff brush to remove any debris or loose scale from tank surface where new thermostat will be installed

Slide new thermostat down into thermostat bracket until it snaps into place

Testing For Heating Element Short Circuit To Ground

Remove access cover(s) from front of water heater

Remove insulation and plastic cover from thermostat

Disconnect wires from heating element(s)

Set multi-meter to “ohms” setting

Touch one probe of multi-meter to either screw terminal of heating element and the other on the element flange

Diptube Inspection and Replacement

Turn power 'OFF' to water heater

Turn off cold water supply to heater

Close drain spigot and remove hose

Disconnect inlet nipple from plumbing system

Remove inlet nipple/dip tube from the water heater using an appropriate wrench

Visually inspect inlet nipple/dip tube for cracks and blockages

Check hydro-jets near the bottom of the dip tube for blockages

Ensure anti-siphon hole is free of blockages

Double Element, Simultaneous, Three Phase Operation

WARNING — High voltage exposure. Use caution to avoid personal injury during this procedure

Water In Tank Is Cold Or Not Enough Hot Water With Power ON

Ensure line voltage, ECO, and elements are in working order

Adjust temperature setting for both thermostats to the highest setting

Turn power “ON” to water heater

Check voltage across terminals L4 and T2 of upper thermostat

Is rated voltage present across terminals L4 and T2 of upper thermostat?

Remove access cover(s) from front of water heater

Remove insulation and plastic cover from thermostat

Check voltage across terminals L1 & L3 of upper thermostat