Maytag
Gas Water Heater

Model #HJ640NOVIT2 Official Maytag gas water heater

Here are the diagrams and repair parts for Maytag HJ640NOVIT2 gas water heater, as well as links to manuals and error code tables, if available.

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Error Codes

Showing 10 of 37 parts

CONTROL, GAS (NAT)#9

Body Diagram

Control, gas (nat)

Part #66001527

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

Air Switch#7

Body Diagram

Air switch

Part #66001369

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

Draft Blower#3

Body Diagram

Draft blower

Part #66001366

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

Ve Terminal#1

Body Diagram

Ve terminal

Part #66001255

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

IGNITOR, HOT SURFACE#19

Body Diagram

Ignitor, hot surface

Part #66001525

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

Water Heater Temperature and Pressure Relief Valve#20A

Body Diagram

Water heater temperature and pressure relief valve

Part #66001216

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

Outer Door#12

Body Diagram

Outer door

Part #66001190

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

Washer, Drai#13

Body Diagram

Washer, drai

Part #66001021

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

MANIFOLD (NAT)#18

Body Diagram

Manifold (nat)

Part #66001530

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

Cover, Air P#11

Body Diagram

Cover, air p

Part #66001258

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: 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: 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: 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.

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