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Maytag
Gas Water Heater

Model # HM350NHDST Official Maytag gas water heater

Here are the diagrams and repair parts for Official Maytag HM350NHDST gas water heater, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 40 parts  |
Gas Conversion Kit Valve 66001457
#17

Body diagram

Gas conversion kit valve

Part #66001457

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

Manifold 66001324
#15B

Body diagram

Manifold

Part #66001324

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

Drain Valve 66001016
#10

Body diagram

Drain valve

Part #66001016

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

Burner 66001027
#16

Body diagram

Burner

Part #66001027

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

Pilot (lp) 66001194
#11A

Body diagram

Pilot (lp)

Part #66001194

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

Vent Cap 66001447
#1

Body diagram

Vent cap

Part #66001447

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

Washer, Drai 66001021
#10A

Body diagram

Washer, drai

Part #66001021

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

Thermocouple 66001274
#12A

Body diagram

Thermocouple

Part #66001274

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

Flue Baffle 66001454
#6

Body diagram

Flue baffle

Part #66001454

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

Brackets Motor 66001431
#5

Body diagram

Brackets motor

Part #66001431

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.

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Why isn't my water heater heating my water?

Main causes: lack of power, no gas supply, thermostat limit switch tripped, bad element, bad thermostat, gas valve failu…

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Why isn't my water heater making the water hot enough?

Main causes: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excess…

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Why is there water in my water heater's drain pan?

Main causes: loose water pipe fittings, leaky drain valve, bad temperature-pressure relief valve, leaky heating element,…

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Why does my hot water smell like rotten eggs?

Main causes: water supply needs chlorine treatment, anode rod too reactive…

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Why isn't my water heater making enough hot water?

Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve asse…

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Why is my water heater making the water too hot?

Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…

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Why is my water heater's pressure relief valve dripping water?

Main causes: faulty pressure relief valve, water is overheating…

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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.

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Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

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Using a wiring schematic to trace a current video

Using a wiring schematic to trace a current video

Find out what’s wrong with your appliance by following a circuit.…

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Easy DIY water heater repairs

Easy DIY water heater repairs

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

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