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Maytag
Gas Water Heater

Model # HV640XOCT Official Maytag gas water heater

Here are the diagrams and repair parts for Official Maytag HV640XOCT 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 33 parts  |
Dip Tube 66001646
#20

Body diagram

Dip tube

Part #66001646

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

Air Intake Screen 66001503
#11

Body diagram

Air intake screen

Part #66001503

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

Orifice, Burner (#33) (standard) 66001538
#3B

Body diagram

Orifice, burner (#33) (standard)

Part #66001538

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

Orifice, Burner (#50) (standard) 66001540
#3C

Body diagram

Orifice, burner (#50) (standard)

Part #66001540

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

Orifice, Burner (#35) (high Altitude) 66001537
#3A

Body diagram

Orifice, burner (#35) (high altitude)

Part #66001537

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

Restrictor, Flue 66001513
#9

Body diagram

Restrictor, flue

Part #66001513

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

Viewport Assembly 66001509
#19

Body diagram

Viewport assembly

Part #66001509

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

Burner Assembly 66001625
#1A

Body diagram

Burner assembly

Part #66001625

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

Outer Door 66001506
#15

Body diagram

Outer door

Part #66001506

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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Water heater common questions

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