Gas Water Heater

Model # HR640XBDS Official Maytag gas water heater

Here are the diagrams and repair parts for Official Maytag HR640XBDS gas water heater, as well as links to manuals and error code tables, if available.

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Browse Parts for
HR640XBDS Water Heaters
Vent Cap Assembly 66001445
#34

Body diagram

Vent cap assembly

Part #66001445

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

Flue Baffle 66001347
#20B

Body diagram

Flue baffle

Part #66001347

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

Oring Gasket 66001207
#26

Body diagram

Oring gasket

Part #66001207

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

Access Clips 66001204
#1

Body diagram

Access clips

Part #66001204

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

Gas Conversion Kit Valve 66001004
#6

Body diagram

Gas conversion kit valve

Part #66001004

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

Pipe, O.d. V 66001222
#25

Body diagram

Pipe, o.d. v

Part #66001222

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

Pipe, I.d. V 66001225
#24A

Body diagram

Pipe, i.d. v

Part #66001225

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

Water Heater Temperature And Pressure Relief Valve 66001216
#16

Body diagram

Water heater temperature and pressure relief valve

Part #66001216

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

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

Main causes: lack of power, no gas supply, thermostat limit switch tripped, bad element, bad thermostat, gas valve failu…

Main causes: loose water pipe fittings, leaky drain valve, bad temperature-pressure relief valve, leaky heating element,…

Main causes: water supply needs chlorine treatment, anode rod too reactive…

Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve asse…

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

Main causes: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excess…

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

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.

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.…

Easy DIY water heater repairs

Easy DIY water heater repairs

Read about some water heater repairs that you can easily do yourself.…

Water heater common questions

Water heater common questions

These common questions and answers can help you make the most of your water heater.…