Rexel United
Gas Water Heater

Model # 8-40-NQRT6 Official Rexel United gas water heater

Here are the diagrams and repair parts for Official Rexel United 8-40-NQRT6 gas water heater, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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Showing 10 of 33 parts  |

Water Heater Temperature And Pressure Relief Valve 9000071
#20

Functional replacement parts diagram

Water heater temperature and pressure relief valve

Part #9000071

$15.54
11% OFF Phone Price : $17.54
In Stock
Control V/v 9001319
#9

Functional replacement parts diagram

Control v/v

Part #9001319

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

Access 9000927
#24

Functional replacement parts diagram

Access

Part #9000927

This item is not returnable
In Stock
Access Cover 9001764
#22

Functional replacement parts diagram

Access cover

Part #9001764

This item is not returnable
In Stock
Flue Baffle 9000371
Flue baffle

Part #9000371

In Stock
Access Bolt 9000928
#23

Functional replacement parts diagram

Access bolt

Part #9000928

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

Functional replacement parts diagram

Base stand

Part #9001421

In Stock
Box 9000356
#2

Functional replacement parts diagram

Box

Part #9000356

This item is not returnable
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
Rexel Pan Base 9001609
#26A

Functional replacement parts diagram

Rexel pan base

Part #9001609

Replaced by #100108616

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Manufacturer substitution
This part replaces 9001609. 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…

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

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How to read a wiring schematic video

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Easy DIY water heater repairs

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Water heater common questions

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