Maytag
Gas Water Heater

Model # HN4X40X960 Official Maytag water heater

Here are the diagrams and repair parts for Official Maytag HN4X40X960 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.

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 25 parts  |

Flue Baffle 66001039
#17A

Body diagram

Flue baffle

Part #66001039

Replaced by #66001039

?
Manufacturer substitution
This part replaces 66001039. Substitute parts can look different from the original.
In Stock
Drain Valve 66001015
#3

Body diagram

Drain valve

Part #66001015

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

Gas Conversion Kit Valve 66001003
#15

Body diagram

Gas conversion kit valve

Part #66001003

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

Dip Tube 66001038
#16A

Body diagram

Dip tube

Part #66001038

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

Manual, Use & Care (10-yr Warr (non-illus) 66001018
#21

Body diagram

Manual, use & care (10-yr warr (non-illus)

Part #66001018

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

Temperature Valve 66001010
#1

Body diagram

Temperature valve

Part #66001010

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

Burner Orifice 66001025
#10

Body diagram

Burner orifice

Part #66001025

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

Inner Door 66001029
#14

Body diagram

Inner door

Part #66001029

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

Rod, Seconda 66001022
#5

Body diagram

Rod, seconda

Part #66001022

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

Insulation 66001034
#20

Body diagram

Insulation

Part #66001034

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.…