303933-1-S-GE-WR51X442          -Defrost Heater with Thermostat
303933-1-S-GE-WR51X442          -Defrost Heater with Thermostat 303933-2-S-GE-WR51X442          -Defrost Heater with Thermostat 303933-3-S-GE-WR51X442          -Defrost Heater with Thermostat http://www.partselect.com/Schematics/GE/00004816i02.gif

Defrost Heater with Thermostat

PartSelect Number PS303933

This part assembly has 2 functions: The defrost heater keeps the cooling coils from frosting over and the thermostat senses that the heat near the cooling coils has reached the desired temperature. Used with side by side models.

This part works with the following brands: GE, Hotpoint & Kenmore.

This part fixes the following symptoms:

  • Fridge too warm.
  • Freezer section too warm.
  • Freezer not defrosting.
  • Freezer too cold.
  • Compare At

    $82.12
  • You Save

    $13.69
  • Your Price

    $68.43
In Stock
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Videos For installing this part.

Installation Instructions Provided by PartSelect customers like you.

Average Repair Rating: 3.8 / 5.0, 36 reviews What's this?
1-5 of 36
 

94 of 109 people found this instruction helpful

Parts Used:
Level of Difficulty: Really Easy
Time to do repair: 15 - 30 mins
Tools: Nutdriver, Screw drivers
Customer: Joseph from North Attleboro, MA

Defroster failure

Fridge was not really cold. Fan was working at back of freezer. Romoved the drawers and back panel of freezer compartment. Melted ice with a blow dryer and collected water with a towel so that it would not overflow the drip pan. Installed the new defroster units with 4 screws and the easy plug in wiring harness. Bingo! Defrost timer was probably OK but new one is easy to do.

Fixed in one day vs waiting for service call & payng $$$.

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54 of 59 people found this instruction helpful

Parts Used:
  • Defrost Heater with Thermostat
Level of Difficulty: Really Easy
Time to do repair: 15 - 30 mins
Tools: Nutdriver, Screw drivers
Customer: SAMUEL from DUNCANNON, PA

Icing on the interior back wall of the freezer and varying temperature in the refrigerator

Disconnected the power to the refrigerator/freezer. Removed the shelving in the freezer. Had to remove the light cover (1 screw in center top of light, slide to left and cover is removed) located in the top of freezer to obtain access to the screw in the back panel. Removed the back panel (using nut driver). Four screws (2 at the top and 2 at the bottom). Used a heat gun to defrost the coils enough to remove the screws and wiring harness. I started at the bottom unit by removing 2 screws with a #2 phillip screwdriver to remove the lower defrosting element. Carefully pulling the wiring forward from the sides of the cooling coils until I reached the next defrost coil. Repeat removing 2 screws to remove the next defrost element. Continue to carefully pull wiring harness toward yourself. Remove the Thermostat (just clipped on the upper left side of coil. Remove the plug. Carefully reverse the process to complete the process.

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30 of 32 people found this instruction helpful

Parts Used:
  • Defrost Heater with Thermostat
Level of Difficulty: Easy
Time to do repair: 30 - 60 mins
Tools: Screw drivers
Customer: Robert from Woodhaven, MI

Refrigerator not defrosting

Had to use a hair dryer to manually defrost the refrigerator before I could replace the heater assembly . I had to remove the aluminum mounting brackets and reverse them before mounting the assembly so that the wiring would run the same as the old assembly . Overall time spent from start to finish, including manual defrost was about 2 hours.
Thanks for the timer troubleshooting tips, they helped to narrow down the problem.

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23 of 28 people found this instruction helpful

Parts Used:
  • Defrost Heater with Thermostat
Level of Difficulty: Easy
Time to do repair: 15 - 30 mins
Tools: Screw drivers
Customer: Robin from Vernon Hills, IL

Defrost heater burned out - coils froze over

Troubleshooting was easy - others had the same problem - coils freeze over and frost blocks air flow to refrigerator - part identification made easier by online picture - many parts look the same so you may want to call and confirm before you order (there were variations to this model number) - To repair: take off five screws that hold the metal panel on the back of the freezer - remove the panel - use a heat gun or hair dryer to melt ice from the coils (put a towel at the bottom to soak up the water) - unplug the kit at the top of the freezer and carefully pull off the thermostat clipped to the coil - remove the four screws that hold the heater kit to the back of the freezer - install the new kit where the old one was then re-install the panel to the back of the freezer - next, make time to clean the condenser coils under the refrigerator/freezer

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20 of 22 people found this instruction helpful

Parts Used:
Level of Difficulty: A Bit Difficult
Time to do repair: 1- 2 hours
Tools: Nutdriver, Screw drivers
Customer: JOSEPH from ORELAND, PA

Frezzer section froze over with ice.

Couldn't find schematic or repair manual
Finally found your site which showed the location and part numbers of the timer and heaters.
I ordered them; they came immediately.
I replaced only the timer, since it was the easiest and took only a few minutes. Defrosting the frezer coils with a hair dryer took about an hour.
Rerigerator froze over again in about two weeks.
I then replaced the heaters. One of the heaters was 'open circuit'.

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1-5 of 36