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Maytag
Gas Water Heater

Model # HN51240X Official Maytag water heater

Here are the diagrams and repair parts for Official Maytag HN51240X water heater, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 12 parts  |
Dip Tube 66001030
#16

Body diagram

Dip tube

Part #66001030

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

Trap, Cold Water Inlet 66001033
#19

Body diagram

Trap, cold water inlet

Part #66001033

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

Valve, Drain (2" Long) 66001015
#3

Body diagram

Valve, drain (2" long)

Part #66001015

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

Flue Baffle - Series 12 9000944
#17

Body diagram

Flue baffle - series 12

Part #9000944

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

Anode, Secondary - Series 12 9002419
#5

Body diagram

Anode, secondary - series 12

Part #9002419

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

Door (outer) - Series 12 9002410
#13

Body diagram

Door (outer) - series 12

Part #9002410

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

Insulation, Pipe (2 Ea) 66001034
#20

Body diagram

Insulation, pipe (2 ea)

Part #66001034

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

Tank, Expansion (2 Gal.) - Series 10 66001013
#20A

Body diagram

Tank, expansion (2 gal.) - series 10

Part #66001013

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

Draft Hood 66001032
#18

Body diagram

Draft hood

Part #66001032

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

Manual, Use & Care - Series 12 66001089
#20B

Body diagram

Manual, use & care - series 12

Part #66001089

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.

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Why isn't my water heater heating my water?

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

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Why is there water in my water heater's drain pan?

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

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Why does my hot water smell like rotten eggs?

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

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Why isn't my water heater making enough hot water?

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

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Why is my water heater's pressure relief valve dripping water?

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

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Why isn't my water heater making the water hot enough?

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

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Why is my water heater making the water too hot?

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

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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.

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How to read a wiring schematic video

How to read a wiring schematic video

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Easy DIY water heater repairs

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Water heater common questions

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