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GE
Side-By-Side Refrigerator

Model # ZISS420NPESS Official GE refrigerator

Here are the diagrams and repair parts for Official GE ZISS420NPESS refrigerator, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 183 parts  |
Refrigerator Water Filter MWFP
#303

Fresh food section diagram

Refrigerator water filter

Part #MWFP

Replaced by #MWF

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Manufacturer substitution
This part replaces MWFP. Substitute parts can look different from the original.
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$49.99
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Ge Profile Refrigerator Temperature Sensor WR55X10025
Ge profile refrigerator temperature sensor

Part #WR55X10025

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$19.47 | 
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R600 Drier W/ Red Cap WR87X30875
#706

Machine compartment diagram

R600 drier w/ red cap

Part #WR87X30875

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$56.29
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Refrigerator Air Damper (replaces Wr31x20918) WR60X27396
#328

Quick chill diagram

Refrigerator air damper (replaces wr31x20918)

Part #WR60X27396

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Icemaker With 2 Piece Fill Cup WR30X40072
#820

Ice maker & dispenser diagram

Icemaker with 2 piece fill cup

Part #WR30X40072

Replaced by #WR30X39346

?
Manufacturer substitution
This part replaces WR30X40072. Substitute parts can look different from the original.
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$211.64 | 
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Refrigerator Defrost Bi-metal Thermostat WR50X29776
Refrigerator defrost bi-metal thermostat

Part #WR50X29776

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$54.62 | 
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Refrigerator Evaporator Fan Motor Grommet WR02X12008
#864

Freezer section diagram

Refrigerator evaporator fan motor grommet

Part #WR02X12008

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$19.32
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Refrigerator Water Inlet Valve Assembly (replaces Wr57x10092) WR57X10084
#795

Machine compartment diagram

Refrigerator water inlet valve assembly (replaces wr57x10092)

Part #WR57X10084

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Refrigerator Electronic Control Board WR55X33585
#703

Machine compartment diagram

Refrigerator electronic control board

Part #WR55X33585

Replaced by #WR55X41845

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Manufacturer substitution
This part replaces WR55X33585. Substitute parts can look different from the original.
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Refrigerator R600a Refrigerant WR98X60
#7000

Lokring connectors diagram

Refrigerator r600a refrigerant

Part #WR98X60

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Most common symptoms to help you fix your refrigerators

Choose a symptom to see related refrigerator repairs.

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Why won't my refrigerator run?

Main causes: control board or cold control failure, broken compressor start relay, compressor motor failure, defrost tim…

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Why won't my refrigerator ice maker make ice?

Main causes: jammed ice cubes, broken ice maker assembly, dirty water filter, kinked water line, bad water valve, freeze…

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Why is water dripping from my refrigerator onto the floor?

Main causes: water valve leaking, frozen or broken defrost drain tube, overflowing drain pan, cracked water system tubin…

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Why is frost building up in my refrigerator's freezer?

Main causes: damaged door seal, faulty defrost sensor or bi-metal thermostat, broken defrost heater, bad defrost timer o…

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Why isn't my refrigerator cooling well?

Main causes: blocked vents, defrost system problems, evaporator fan failure, dirty condenser coils, bad sensors, condens…

Read more

Why won't my refrigerator cool at all?

Main causes: blocked air vents, compressor problems, condenser or evaporator fan not working, control system failure, se…

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Why is my freezer not cold enough?

Main causes: leaky door gasket, defrost system failure, evaporator fan not running, dirty condenser coils, condenser fan…

Read more

What routine maintenance does my refrigerator need?

Things to do: clean condenser coils, replace the water filter, clean the interior, adjust doors to prevent air leaks, cl…

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Most common repair guides to help fix your refrigerators

These step-by-step repair guides will help you safely fix what’s broken on your refrigerator.

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How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Read more
Repair difficulty
Time required
 15 minutes or less
How to clean refrigerator condenser coils

How to clean refrigerator condenser coils

Help your refrigerator run more efficiently by cleaning the condenser coils. It's easy and takes just a few minutes.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator temperature control board

How to replace a refrigerator temperature control board

If the temperature in your refrigerator doesn't match the temperature you set, the problem could be the temperature cont…

Read more
Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your refrigerators

Use the advice and tips in these articles and videos to get the most out of your refrigerator.

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How to Replace the Water Filter in a Maytag Refrigerator

How to Replace the Water Filter in a Maytag Refrigerator

No matter what style Maytag refrigerator you have, we can walk you through replacing the water filter.…

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How to change the water filter in an LG refrigerator

How to change the water filter in an LG refrigerator

Get tips and advice on replacing the water filter in your LG refrigerator.…

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How to prevent water dispenser and ice maker problems

How to prevent water dispenser and ice maker problems

If your refrigerator's ice maker isn't producing as much ice as it should, or water is flowing poorly from the dispenser…

Read more