Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Maytag
Gas Water Heater

Model # HN51240P Official Maytag water heater

Here are the diagrams and repair parts for Official Maytag HN51240P water heater, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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

Error Codes

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 26 parts  |
Valve, Gas Control (nat) - Series 12 66001081
#14

Body diagram

Valve, gas control (nat) - series 12

Part #66001081

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

Terminal, Vent - Series 12 9002120
#29

Body diagram

Terminal, vent - series 12

Part #9002120

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

Pipe, Vent (5') - Series 12 9002106
#30

Body diagram

Pipe, vent (5') - series 12

Part #9002106

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

Adapter, Vent-blower - Series 12 9002506
#27

Body diagram

Adapter, vent-blower - series 12

Part #9002506

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

Insulation, Pipe (2 Ea) 66001034
#19

Body diagram

Insulation, pipe (2 ea)

Part #66001034

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

Burner Orifice - Series 10 0230141
#9A

Body diagram

Burner orifice - series 10

Part #0230141

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

Stand, Water Heater - Series 12 9001422
#22

Body diagram

Stand, water heater - series 12

Part #9001422

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

Tank, Expansion (2 Gal.) - Series 10 66001013
#32A

Body diagram

Tank, expansion (2 gal.) - series 10

Part #66001013

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

Trap, Cold Water Inlet 66001033
#18

Body diagram

Trap, cold water inlet

Part #66001033

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

Igniter - Series 12 9002518
#4

Body diagram

Igniter - series 12

Part #9002518

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.

View all

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…

Read more

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,…

Read more

Why does my hot water smell like rotten eggs?

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

Read more

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…

Read more

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

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

Read more

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…

Read more

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…

Read more

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.

View all
How to read a wiring schematic video

How to read a wiring schematic video

Learn how to decipher symbols so you can buy the right part for your problem.…

Read more
Easy DIY water heater repairs

Easy DIY water heater repairs

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

Read more
Water heater common questions

Water heater common questions

These common questions and answers can help you make the most of your water heater.…

Read more

Parts & More