Thermostat Potentiometer Replacement Procedure

Step 1. Step 2.

Step 3.

Step 4.

Step 5.

Step 6.

Position main power switch to “OFF”

 

WARNING

Disconnect (unplug) water heater from

120 volt potential exposure. Isolate the

120 volt power source.

 

appliance and reconfirm power is

Un-latch and remove top surround cover

disconnected using a multi-meter.

from top of heater.

 

 

 

Temperature

Loosen set screw

Loosen set screw of adjusting

Adjusting Knob

with small blade

 

screw driver

knob (small blade screw driver)

 

 

 

and remove adjusting knob

 

Remove

from potentiometer. (see photos at right)

retaining nut

Remove retaining nut (½" wrench)

 

 

 

and washer from potentiometer.

 

 

(see photos at right)

 

 

From inside of surround area, remove potentiometer with gasket from side of surround. Notice how indexing tab on potentiometer assembles into locating hole of surround. (see photos below)

Indexing

Tab

Locating

Hole

Potentiometer

Wire Leads

Step 7. Disconnect potentiometer wire leads. (see photo at right)

Step 8. Install new potentiometer with gasket into side of surround. Be sure to assemble with indexing tab inserted into locating hole on side of surround (see photos above).

Step 9. Reconnect wires to potentiometer. Note: Wire leads are interchangeable with either wire.

Step 10. Restore 120 volt power supply to water heater and confirm proper operation following the lighting instructions on the lighting instruction label or the lighting instruction located in the installation and operating instruction manual.

Step 11. Replace surround cover on top of heater.

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Bradford-White Corp EFR160T120*(EN Thermostat Potentiometer Replacement Procedure, Disconnected using a multi-meter

EFR160T120*(EN, EF100T250(E)*(N, EF100T399(E)*(N, EF100T300(E)*(N, EF60T125(E)*(N specifications

Bradford-White Corporation is a leading manufacturer of water heating solutions, known for its high-quality and durable products. Among its extensive product lineup, the EF60T150(E)*(N), EF100T150(E)*(N), EF60T199(E)*(N,X)(A)(2), and EF100T199(E)*(N) models stand out for their impressive features and technologies that cater to both residential and commercial water heating needs.

The EF60T150(E)*(N) model is designed for medium to large households, providing a reliable hot water supply. It features a 60-gallon tank with a first-hour delivery rate that ensures ample hot water, making it ideal for simultaneous usage in multiple applications. This water heater operates on natural gas, boasting high energy efficiency ratings due to its advanced burner technology. The environmentally friendly design reduces greenhouse gas emissions while delivering consistent performance.

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