Maytag
Gas Water Heater

Model # HJ640PBPDT Official Maytag gas water heater

Here are the diagrams and repair parts for Official Maytag HJ640PBPDT gas water heater, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 42 parts  |

Flue Baffle 66001293
#11

Body diagram

Flue baffle

Part #66001293

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

Manifold (lp) 66001660
#22A

Body diagram

Manifold (lp)

Part #66001660

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

Wall Collar 66001343
#2

Body diagram

Wall collar

Part #66001343

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

Drain Valve 66001181
#20

Body diagram

Drain valve

Part #66001181

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

Blower 66001290
#4

Body diagram

Blower

Part #66001290

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

On O Switch 66001247
#13

Body diagram

On o switch

Part #66001247

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

Burner Orifice 66001025
#24

Body diagram

Burner orifice

Part #66001025

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

Pressure Cover 66001314
#17

Body diagram

Pressure cover

Part #66001314

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

Burner Orifice 66001041
#24B

Body diagram

Burner orifice

Part #66001041

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

Ven Adapter 66001289
#3

Body diagram

Ven adapter

Part #66001289

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.…