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Maytag
Gas Water Heater

Model # HRP4940S Official Maytag gas water heater

Here are the diagrams and repair parts for Official Maytag HRP4940S gas water heater, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 37 parts  |
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.
$88.47
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.
$21.67
In Stock
Pilot Assembly (both Standard & High Alt) 66001516
#5

Body diagram

Pilot assembly (both standard & high alt)

Part #66001516

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

Washer, Drai 66001021
#20A

Body diagram

Washer, drai

Part #66001021

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

Burner Head 66001494
#2

Body diagram

Burner head

Part #66001494

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 (#33) (standard) 66001538
#3A

Body diagram

Orifice, burner (#33) (standard)

Part #66001538

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

Viewport Assembly 66001509
#21

Body diagram

Viewport assembly

Part #66001509

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

Anode Rod 66001157
#13

Body diagram

Anode rod

Part #66001157

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.

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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 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's pressure relief valve dripping water?

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

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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 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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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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How to read a wiring schematic video

How to read a wiring schematic video

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Easy DIY water heater repairs

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