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Maytag
Gas Water Heater

Model # HR640XOVIT Official Maytag gas water heater

Here are the diagrams and repair parts for Official Maytag HR640XOVIT 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 39 parts  |
On O Switch 66001247
#8

Body diagram

On o switch

Part #66001247

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

Control, Gas (lp) 66001528
#9A

Body diagram

Control, gas (lp)

Part #66001528

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

Cover, Air P 66001258
#11

Body diagram

Cover, air p

Part #66001258

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

Burner Orifice 66001172
#17C

Body diagram

Burner orifice

Part #66001172

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

Outer Door 66001190
#12

Body diagram

Outer door

Part #66001190

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

Stand, Water 66001243
#24

Body diagram

Stand, water

Part #66001243

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

Drain Valve 66001016
#14

Body diagram

Drain valve

Part #66001016

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

Burner Orifice 66001025
#17

Body diagram

Burner orifice

Part #66001025

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

Control, Gas (lp) 66001656
#9C

Body diagram

Control, gas (lp)

Part #66001656

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

Insulation, Pipe 66001755
#26

Body diagram

Insulation, pipe

Part #66001755

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

Learn how to decipher symbols so you can buy the right part for your problem.…

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Easy DIY water heater repairs

Easy DIY water heater repairs

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Water heater common questions

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