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Maytag
Gas Water Heater

Model # HN4905TCAN Official Maytag water heater

Here are the diagrams and repair parts for Official Maytag HN4905TCAN water heater, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 21 parts  |
Inner Door 66001029
#13

Body diagram

Inner door

Part #66001029

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

Manual, Use & Care - Series 9 66001095

#NI

All parts diagram

Manual, use & care - series 9

Part #66001095

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

Anode, Secon 9000947
#5

Body diagram

Anode, secon

Part #9000947

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

Primary Rod 66001020
#2

Body diagram

Primary rod

Part #66001020

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

Manifold 9002617
#10

Body diagram

Manifold

Part #9002617

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

Burner Orifice 0230120
#9

Body diagram

Burner orifice

Part #0230120

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

Burner 9002411
#11

Body diagram

Burner

Part #9002411

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

Flue Baffle 9002496
#16

Body diagram

Flue baffle

Part #9002496

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

Thermocouple 66001017
#7

Body diagram

Thermocouple

Part #66001017

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

All Parts Listed Are For Series 09 And Above Unless Otherwise Noted N/P

#0

All parts diagram

All parts listed are for series 09 and above unless otherwise noted

Part #N/P

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 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 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 making the water too hot?

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

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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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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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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.…

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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.…

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Easy DIY water heater repairs

Easy DIY water heater repairs

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