Maytag
Gas Water Heater

Model # HJ640PORT2CGA Official Maytag water heater

Here are the diagrams and repair parts for Official Maytag HJ640PORT2CGA 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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Showing 10 of 33 parts  |

Manifold 66001327
#12C

Body diagram

Manifold

Part #66001327

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

Tubing Pilot 66001275
#10

Body diagram

Tubing pilot

Part #66001275

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

Burner Orifice 66001167
#11A

Body diagram

Burner orifice

Part #66001167

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

Gas Conversion Kit Valve 66001183
#14B

Body diagram

Gas conversion kit valve

Part #66001183

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

Flue Baffle 66001220
#2

Body diagram

Flue baffle

Part #66001220

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

Thermocouple 66001273
#9

Body diagram

Thermocouple

Part #66001273

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

Natural Gas Pilot 66001023
#8

Body diagram

Natural gas pilot

Part #66001023

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

Manifold 66001325
#12A

Body diagram

Manifold

Part #66001325

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

Burner Orifice 66001171
#11C

Body diagram

Burner orifice

Part #66001171

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

Manual, Use & Care (frch/eng) (non-illus) 66001126
#17

Body diagram

Manual, use & care (frch/eng) (non-illus)

Part #66001126

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

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Water heater common questions

Water heater common questions

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