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Boss
Gas Water Heater

Model # 5-30-NKRT8-2 Official Boss gas water heater

Here are the diagrams and repair parts for Official Boss 5-30-NKRT8-2 gas water heater, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 29 parts  |
Water Heater Thermocouple 9000283
#14

Round gas diagram

Water heater thermocouple

Part #9000283

Replaced by #H06E-36

?
Manufacturer substitution
This part replaces 9000283. Substitute parts can look different from the original.
This item is not returnable
$14.52 | 
12% OFF Phone Price : $16.52
Back Order
Thermostat 9000249
#9

Round gas diagram

Thermostat

Part #9000249

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

Water Heater Manifold Inner Door 9000281
#18

Round gas diagram

Water heater manifold inner door

Part #9000281

$17.69 | 
10% OFF Phone Price : $19.69
In Stock
Base Stand 9001421
#27

Round gas diagram

Base stand

Part #9001421

$62.99
In Stock
Drip Pan 9000741
#26

Round gas diagram

Drip pan

Part #9000741

Replaced by #9002846

?
Manufacturer substitution
This part replaces 9000741. Substitute parts can look different from the original.
$20.99
In Stock
Wheelers Water Heater Temperature And Pressure Relief Valve 9000728
#20

Round gas diagram

Wheelers water heater temperature and pressure relief valve

Part #9000728

Replaced by #100108455

?
Manufacturer substitution
This part replaces 9000728. Substitute parts can look different from the original.
$35.56
In Stock
Drain Pan 9000743
#26B

Round gas diagram

Drain pan

Part #9000743

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

Annode Rod 9000279
#21

Round gas diagram

Annode rod

Part #9000279

Replaced by #100108571

?
Manufacturer substitution
This part replaces 9000279. Substitute parts can look different from the original.
$90.00
In Stock
Heater Stand 9001422
#27A

Round gas diagram

Heater stand

Part #9001422

Replaced by #9005744005

?
Manufacturer substitution
This part replaces 9001422. Substitute parts can look different from the original.
$115.49
In Stock
Dip Tube 9000908
#5

Round gas diagram

Dip tube

Part #9000908

Replaced by #100108608

?
Manufacturer substitution
This part replaces 9000908. Substitute parts can look different from the original.
$27.78
In Stock

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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