Maytag
Gas Water Heater

Model # HRN4940S Official Maytag gas water heater

Here are the diagrams and repair parts for Official Maytag HRN4940S gas water heater, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 37 parts  |

Anode Rod, S 66001514
#24

Body diagram

Anode rod, s

Part #66001514

Replaced by #66001514

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Manufacturer substitution
This part replaces 66001514. Substitute parts can look different from the original.
In Stock
Nipple (w/he 66001705
#12

Body diagram

Nipple (w/he

Part #66001705

Replaced by #66001705

?
Manufacturer substitution
This part replaces 66001705. Substitute parts can look different from the original.
In Stock
Igniter, Piezo (w/bracket) 66001507
#17

Body diagram

Igniter, piezo (w/bracket)

Part #66001507

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

Pilot 66001547
#5A

Body diagram

Pilot

Part #66001547

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

Burner Assembly (high Altitude) 66001535
#1A

Body diagram

Burner assembly (high altitude)

Part #66001535

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

Burner Tube 66001521
#4A

Body diagram

Burner tube

Part #66001521

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

Insulation, Pipe 66001755
#15

Body diagram

Insulation, pipe

Part #66001755

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

Manual, Use & Care (series 9) (non-illus) 66001790
#25

Body diagram

Manual, use & care (series 9) (non-illus)

Part #66001790

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

Outer Door 66001506
#22

Body diagram

Outer door

Part #66001506

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

Orifice, Burner (#51) (both Standard & High Alt) 66001515
#3

Body diagram

Orifice, burner (#51) (both standard & high alt)

Part #66001515

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: 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: faulty pressure relief valve, water is overheating…

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

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

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.

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.…

Easy DIY water heater repairs

Easy DIY water heater repairs

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Water heater common questions

Water heater common questions

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