Maytag
Gas Water Heater

Model #HJ640PBRTFCGA Official Maytag water heater

Here are the diagrams and repair parts for Maytag HJ640PBRTFCGA water heater, as well as links to manuals and error code tables, if available.

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Error Codes

Showing 10 of 24 parts

Flue Baffle#2A

Body Diagram

Flue baffle

Part #66001310

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

Natural Gas Pilot#8

Body Diagram

Natural gas pilot

Part #66001023

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

Tubing Pilot#10

Body Diagram

Tubing pilot

Part #66001275

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

Outer Door#16

Body Diagram

Outer door

Part #66001190

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

Burner Orifice#11A

Body Diagram

Burner orifice

Part #66001035

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

MANUAL, USE & CARE (FRCH/ENG) (Non-Illus)#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

Thermocouple#9

Body Diagram

Thermocouple

Part #66001273

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

Anode Rod#4

Body Diagram

Anode rod

Part #66001189

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

Burner Orifice#11C

Body Diagram

Burner orifice

Part #66001172

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

Draft Hood#1

Body Diagram

Draft hood

Part #66001032

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

Symptoms common to all 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 failure, bad thermocouple
Main causes: water supply needs chlorine treatment, anode rod too reactive
Main causes: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excessive tank sediment
Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating element
Main causes: faulty pressure relief valve, water is overheating
Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve assembly failure
Main causes: loose water pipe fittings, leaky drain valve, bad temperature-pressure relief valve, leaky heating element, cracked tank

Articles and videos common to all water heaters

Use the advice and tips in these articles and videos to get the most out of your water heater.

October 24, 2022

Easy DIY appliance repairs that anyone can do

Lyle Weischwill

Get advice on simple DIY fixes for appliances that you can safely do on your own.

April 10, 2020

Cleaning your appliances after a drinking water advisory

Wayne Archer

Find out how to clean and flush household appliances once a boil water advisory is lifted.

August 1, 2015

Easy DIY water heater repairs

Lyle Weischwill

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