Maytag
Gas Water Heater

Model #HR640YORT Maytag water heater

Here are the repair parts and diagrams for your Maytag HR640YORT water heater. 

The diagram(s) below can help you find the right part.  If you’d like help, we invite you to call our customer service number at the top of the page, or click chat.

On this page, you can also find any manuals, installation guides and error code tables associated with this model.

For advice on diagnosing problems with appliances, lawn & garden equipment and other products, check out the videos, repair guides and articles in our DIY section.

Save to my profileError Codes

Showing 10 of 51 parts

Dip Tube

#23

Body Diagram

Dip tube

Part #66001646
?This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including  66001646
This part replaces 66001646

$15.48

In Stock

VALVE, T & P RELIEF

#14B

Body Diagram

Valve, t & p relief

Part #66001762

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

Use and Care Manual

#24

Body Diagram

Use and care manual

Part #66001816

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

Draft Hood

#11

Body Diagram

Draft hood

Part #66001502

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

IGNITER, PIEZO (W/BRACKET)

#17

Body Diagram

Igniter, piezo (w/bracket)

Part #66001507

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

PILOT ASSEMBLY (STANDARD)

#5A

Body Diagram

Pilot assembly (standard)

Part #66001517

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

Pilot

#5D

Body Diagram

Pilot

Part #66001550

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

Gas Control Valve

#18B

Body Diagram

Gas control valve

Part #66001575

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

Burner Assembly

#1E

Body Diagram

Burner assembly

Part #66001634

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

Burner Assembly

#1F

Body Diagram

Burner assembly

Part #66001636

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: water supply needs chlorine treatment, anode rod too reactive
Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating element
Main causes: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excessive tank sediment
Main causes: lack of power, no gas supply, thermostat limit switch tripped, bad element, bad thermostat, gas valve failure, bad thermocouple
Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve assembly failure
Main causes: faulty pressure relief valve, water is overheating
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.

November 1, 2018

How to read a wiring schematic video

By Sears PartsDirect staff

Learn how to decipher symbols so you can buy the right part for your problem.

October 31, 2018

Cleaning your appliances after a drinking water advisory

By Julie Riebe

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

August 1, 2015

Water heater common questions

By Sears PartsDirect staff

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