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American Water Heaters
Gas Water Heater

Model # N40S61-403 Official American Water Heaters water heater

Here are the diagrams and repair parts for Official American Water Heaters N40S61-403 water heater, as well as links to manuals and error code tables, if available.

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Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 14 parts  |
Water Heater Burner (replaces 3110024) 186063-000
#13A

Water heater diagram

Water heater burner (replaces 3110024)

Part #186063-000

BEST SELLER
$45.52 | 
12% OFF Phone Price : $51.52
In Stock
Water Heater Gas Valve And Temperature Control Assembly (replaces 100112336) 6911131
#10

Water heater diagram

Water heater gas valve and temperature control assembly (replaces 100112336)

Part #6911131

$201.53 | 
6% OFF Phone Price : $213.53
In Stock
Anode Rod 4700375
#7

Water heater diagram

Anode rod

Part #4700375

Replaced by #100108571

?
Manufacturer substitution
This part replaces 4700375. Substitute parts can look different from the original.
$90.00
In Stock
Water Heater Dip Tube 4710743
#6

Water heater diagram

Water heater dip tube

Part #4710743

Replaced by #100110924

?
Manufacturer substitution
This part replaces 4710743. Substitute parts can look different from the original.
$24.44
In Stock
Water Heater Manifold Door And Burner Assembly 6911165
#14A

Water heater diagram

Water heater manifold door and burner assembly

Part #6911165

Replaced by #100094002

?
Manufacturer substitution
This part replaces 6911165. Substitute parts can look different from the original.
$181.00
In Stock
Water Heater Pilot Assembly 6911143
#12

Water heater diagram

Water heater pilot assembly

Part #6911143

Replaced by #100112330

?
Manufacturer substitution
This part replaces 6911143. Substitute parts can look different from the original.
$96.67
In Stock
Manifold Door Gasket 9006141015
#16

Water heater diagram

Manifold door gasket

Part #9006141015

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

Outer Door 321345-000
#11

Water heater diagram

Outer door

Part #321345-000

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

Draft Hood 185917-003
#1

Water heater diagram

Draft hood

Part #185917-003

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

Water Heater Temperature And Pressure Relief Valve 6900816
#8

Water heater diagram

Water heater temperature and pressure relief valve

Part #6900816

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

Most common symptoms to help you fix your water heaters

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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 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's pressure relief valve dripping water?

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

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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 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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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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Water heater common questions

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