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Maytag
Gas Water Heater

Model # HR640CBDS Official Maytag gas water heater

Here are the diagrams and repair parts for Official Maytag HR640CBDS 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 56 parts  |
Thermocouple 66001391
#5

Body diagram

Thermocouple

Part #66001391

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

Burner Orifice 66001159
#4D

Body diagram

Burner orifice

Part #66001159

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

Washer, Drai 66001021
#13

Body diagram

Washer, drai

Part #66001021

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

Plate, Adapt 66001241
#23A

Body diagram

Plate, adapt

Part #66001241

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

Pipe, O.d. V 66001224
#25B

Body diagram

Pipe, o.d. v

Part #66001224

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

Amana Room Air Conditioner NLA
Amana room air conditioner

Part #NLA

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

Collar Liner 66001446
#32

Body diagram

Collar liner

Part #66001446

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

Inner Door 66001029
#10

Body diagram

Inner door

Part #66001029

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

Tube Pilot 66001188
#8

Body diagram

Tube pilot

Part #66001188

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

Plate, Adapt 66001240
#23

Body diagram

Plate, adapt

Part #66001240

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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