Maytag
Gas Water Heater

Model # HRN4940T Official Maytag gas water heater

Here are the diagrams and repair parts for Official Maytag HRN4940T 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 38 parts  |

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
Anode Rod, S 66001514
#24

Body diagram

Anode rod, s

Part #66001514

Replaced by #66001514

?
Manufacturer substitution
This part replaces 66001514. Substitute parts can look different from the original.
In Stock
Drain Valve 66001016
#20

Body diagram

Drain valve

Part #66001016

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

Air Intake Screen 66001764
#8A

Body diagram

Air intake screen

Part #66001764

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

Gas Conversion Kit Valve 66001505
#18A

Body diagram

Gas conversion kit valve

Part #66001505

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

Anode Rod 66001020
#13

Body diagram

Anode rod

Part #66001020

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

Collar Baffle 66001187
#10

Body diagram

Collar baffle

Part #66001187

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

Air Intake Screen 66001503
#8

Body diagram

Air intake screen

Part #66001503

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

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.…