American Water Heaters
Gas Water Heater

Model # BFG1F4040S3NOV Official American Water Heaters water heater

Here are the diagrams and repair parts for Official American Water Heaters BFG1F4040S3NOV water heater, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 13 parts  |

Water Heater Gas Valve and Temperature Control Assembly (replaces 6910794C)
#10

Water heater diagram

Water heater natural gas valve

Part #6910794C

Replaced by #6910794

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Manufacturer substitution
This part replaces 6910794C. Substitute parts can look different from the original.
BEST SELLER
$112.85
8% OFF Phone Price : $122.85
In Stock
Water Heater Pilot Assembly (replaces 6910427)
#11

Water heater diagram

Water heater pilot igniter

Part #6910427

Replaced by #9006134015

?
Manufacturer substitution
This part replaces 6910427. Substitute parts can look different from the original.
BEST SELLER
$52.39
9% OFF Phone Price : $57.39
In Stock
Water Heater Manifold Door Gasket (replaces 100112699)
#19

Water heater diagram

Water heater manifold door gasket

Part #6910424

Replaced by #9008309015

?
Manufacturer substitution
This part replaces 6910424. Substitute parts can look different from the original.
BEST SELLER
$23.39
18% OFF Phone Price : $28.39
In Stock
Water Heater Pilot Igniter (replaces 6910430, 9006143)
#22

Water heater diagram

Water heater pilot igniter

Part #6910430

Replaced by #9006143015

?
Manufacturer substitution
This part replaces 6910430. Substitute parts can look different from the original.
BEST SELLER
$21.09
19% OFF Phone Price : $26.09
In Stock
Water Heater Drain Valve (replaces 6900764)
#9

Water heater diagram

Drain valve

Part #6900764

Replaced by #9003098

?
Manufacturer substitution
This part replaces 6900764. Substitute parts can look different from the original.
BEST SELLER
$30.29
14% OFF Phone Price : $35.29
In Stock
Water Heater Piezo Igniter Bracket
#22A

Water heater diagram

Water heater piezo igniter bracket

Part #6910426

This item is not returnable
In Stock
Water Heater Anode Rod
#7

Water heater diagram

Water heater anode rod

Part #4710180

$32.19
13% OFF Phone Price : $37.19
In Stock
Water Heater Manifold Door Assembly
#16

Water heater diagram

Water heater manifold door assembly

Part #6910804

$156.57
6% OFF Phone Price : $166.57
In Stock
Water Heater Thermocouple (replaces 194621, 6900725, 9000056, 9002322)
Nat gas th

Part #6900725

Replaced by #9000056015

?
Manufacturer substitution
This part replaces 6900725. Substitute parts can look different from the original.
$19.79
9% OFF Phone Price : $21.79
In Stock
Water Heater Vent Draft Hood (replaces 185917-002, 700795-020)
#1

Water heater diagram

Draft hood

Part #2710001

Replaced by #9006647

?
Manufacturer substitution
This part replaces 2710001. Substitute parts can look different from the original.
This item is not returnable
$16.91
11% OFF Phone Price : $18.91
In Stock

Symptoms common to all water heaters

Choose a symptom to see related water heater repairs.

April 19, 2023

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

April 19, 2023

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

April 19, 2023

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

April 19, 2023

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

April 19, 2023

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

April 19, 2023

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

April 19, 2023

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

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.

Wiring schematic symbols explained video
August 18, 2021

Wiring schematic symbols explained video

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

Using a wiring schematic to trace a current video
August 18, 2021

Using a wiring schematic to trace a current video

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

Easy DIY water heater repairs
August 01, 2015

Easy DIY water heater repairs

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