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Model # HVN4940T Official Maytag gas water heater
Here are the diagrams and repair parts for Official Maytag HVN4940T gas water heater, as well as links to manuals and error code tables, if available.
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HVN4940T Water Heaters
#22
Body diagram
Nipple (cold inlet) (series 9)
Part #66001597
The manufacturer no longer makes this part, and there's no substitute part
#13A
Body diagram
Gas conversion kit valve
Part #66001505
The manufacturer no longer makes this part, and there's no substitute part
#1B
Body diagram
Burner assembly (high altitude)
Part #66001566
The manufacturer no longer makes this part, and there's no substitute part
#10
Body diagram
Draft hood
Part #66001502
The manufacturer no longer makes this part, and there's no substitute part
#19
Body diagram
Temperature valve
Part #66001079
The manufacturer no longer makes this part, and there's no substitute part
#7
Body diagram
Gasket, inner door
Part #66001500
The manufacturer no longer makes this part, and there's no substitute part
#24
Body diagram
Manual, use & care (series 9) (non-illus)
Part #66001487
The manufacturer no longer makes this part, and there's no substitute part
#3B
Body diagram
Orifice, burner (#33) (standard)
Part #66001538
The manufacturer no longer makes this part, and there's no substitute part
#2A
Body diagram
Burner head
Part #66001511
The manufacturer no longer makes this part, and there's no substitute part
#5
Body diagram
Pilot assembly (both standard & high alt)
Part #66001519
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: 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: lack of power, no gas supply, thermostat limit switch tripped, bad element, bad thermostat, gas valve failu…
Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…
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: loose water pipe fittings, leaky drain valve, bad temperature-pressure relief valve, leaky heating element,…
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.

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

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

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