Gas Water Heater

Model # HN4X40P980 Official Maytag water heater

Here are the diagrams and repair parts for Official Maytag HN4X40P980 water heater, as well as links to manuals and error code tables, if available.

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Browse Parts for
HN4X40P980 Water Heaters
On O Switch 9001773
#8

Body diagram

On o switch

Part #9001773

The manufacturer no longer makes this part, and there's no substitute part

Pan, Drip (2 9000743
#21

Body diagram

Pan, drip (2

Part #9000743

The manufacturer no longer makes this part, and there's no substitute part

Mounting Bracket 9002512
#33

Body diagram

Mounting bracket

Part #9002512

The manufacturer no longer makes this part, and there's no substitute part

Anode Rod 66001020
#2

Body diagram

Anode rod

Part #66001020

The manufacturer no longer makes this part, and there's no substitute part

Insulation 66001034
#19

Body diagram

Insulation

Part #66001034

The manufacturer no longer makes this part, and there's no substitute part

Face Plate, Valve 0004702370
#14A

Body diagram

Face plate, valve

Part #0004702370

The manufacturer no longer makes this part, and there's no substitute part

Outer Door 9002596
#12

Body diagram

Outer door

Part #9002596

The manufacturer no longer makes this part, and there's no substitute part

Switch Vent 9002678
#28

Body diagram

Switch vent

Part #9002678

The manufacturer no longer makes this part, and there's no substitute part

Inner Door 66001029
#13

Body diagram

Inner door

Part #66001029

The manufacturer no longer makes this part, and there's no substitute part

Vent Pipe 9002106
#30

Body diagram

Vent pipe

Part #9002106

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

Main causes: lack of power, no gas supply, thermostat limit switch tripped, bad element, bad thermostat, gas valve failu…

Main causes: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excess…

Main causes: loose water pipe fittings, leaky drain valve, bad temperature-pressure relief valve, leaky heating element,…

Main causes: water supply needs chlorine treatment, anode rod too reactive…

Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve asse…

Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…

Main causes: faulty pressure relief valve, water is overheating…

Effective articles & videos to help repair your water heaters

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

Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

Using a wiring schematic to trace a current video

Using a wiring schematic to trace a current video

Find out what’s wrong with your appliance by following a circuit.…

Easy DIY water heater repairs

Easy DIY water heater repairs

Read about some water heater repairs that you can easily do yourself.…