Superior
Gas Water Heater

Model # 5-40-NXRT6 Official Superior gas water heater

Here are the diagrams and repair parts for Official Superior 5-40-NXRT6 gas 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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Showing 10 of 32 parts  |

Water Heater Thermocouple 9000283
#14

Functional replacement parts diagram

Water heater thermocouple

Part #9000283

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

Water Heater Drain Valve 9000254
#19

Functional replacement parts diagram

Water heater drain valve

Part #9000254

This item is not returnable
$17.69
10% OFF Phone Price : $19.69
In Stock
Water Heater Manifold Inner Door 9000281
#18

Functional replacement parts diagram

Water heater manifold inner door

Part #9000281

$17.69
10% OFF Phone Price : $19.69
In Stock
Dip Tube 9001698
#5

Functional replacement parts diagram

Dip tube

Part #9001698

Replaced by #9002059

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Manufacturer substitution
This part replaces 9001698. Substitute parts can look different from the original.
$24.79
19% OFF Phone Price : $30.79
In Stock
Box 9000356
#2

Functional replacement parts diagram

Box

Part #9000356

This item is not returnable
In Stock
Base Stand 9001421
#27

Functional replacement parts diagram

Base stand

Part #9001421

In Stock
Flue Baffle 9001206
#8A

Functional replacement parts diagram

Flue baffle

Part #9001206

In Stock
Baffle 9000944
#8

Functional replacement parts diagram

Baffle

Part #9000944

In Stock
Drip Pan 9000741
#26

Functional replacement parts diagram

Drip pan

Part #9000741

Replaced by #9002846

?
Manufacturer substitution
This part replaces 9000741. Substitute parts can look different from the original.
In Stock
Pilot 9000284
#15

Functional replacement parts diagram

Pilot

Part #9000284

Replaced by #100109070

?
Manufacturer substitution
This part replaces 9000284. Substitute parts can look different from the original.
In Stock

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

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

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,…

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

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

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.

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.…

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.…

Easy DIY water heater repairs

Easy DIY water heater repairs

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