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Boss
Gas Water Heater

Model # 5-20-NORT6 Official Boss gas water heater

Here are the diagrams and repair parts for Official Boss 5-20-NORT6 gas water heater, as well as links to manuals and error code tables, if available.

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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

Functional replacement parts diagram

Water heater thermocouple

Part #9000283

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

Thermostat 9000246
#9

Functional replacement parts diagram

Thermostat

Part #9000246

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
Anode Rod 9000705
#6

Functional replacement parts diagram

Anode rod

Part #9000705

Replaced by #100300397

?
Manufacturer substitution
This part replaces 9000705. Substitute parts can look different from the original.
$55.38 | 
10% OFF Phone Price : $61.38
In Stock
Base Stand 9001421
#27

Functional replacement parts diagram

Base stand

Part #9001421

$62.99
In Stock
Baffle 9000537
Baffle

Part #9000537

$13.49
In Stock
Water Heater Burner 9000390
#16A

Functional replacement parts diagram

Water heater burner

Part #9000390

Replaced by #100108399

?
Manufacturer substitution
This part replaces 9000390. Substitute parts can look different from the original.
$27.78
In Stock
Dip Tube 9000907
#5

Functional replacement parts diagram

Dip tube

Part #9000907

Replaced by #9001644

?
Manufacturer substitution
This part replaces 9000907. Substitute parts can look different from the original.
$7.99
In Stock
Anode Rod 9001824
#21

Functional replacement parts diagram

Anode rod

Part #9001824

Replaced by #100108260

?
Manufacturer substitution
This part replaces 9001824. Substitute parts can look different from the original.
$48.89
In Stock

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

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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 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 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 making the water too hot?

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

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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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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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Wiring schematic symbols explained video

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Using a wiring schematic to trace a current video

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Easy DIY water heater repairs

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