Boss
Gas Water Heater

Model # 5-30-NOPT8-2 Official Boss gas water heater

Here are the diagrams and repair parts for Official Boss 5-30-NOPT8-2 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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ALL PARTS
Showing 10 of 27 parts  |

Base Stand 9001421
#27

Round gas diagram

Base stand

Part #9001421

In Stock
Flue Baffle 9000360
Flue baffle

Part #9000360

In Stock
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
Drip Pan 9000741
#26

Round gas diagram

Drip pan

Part #9000741

Replaced by #9002846

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Manufacturer substitution
This part replaces 9000741. Substitute parts can look different from the original.
In Stock
Thermostat 9000249
#9

Round gas diagram

Thermostat

Part #9000249

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

Water Heater Burner 9000390
#16A

Round gas diagram

Water heater burner

Part #9000390

Replaced by #100108399

?
Manufacturer substitution
This part replaces 9000390. Substitute parts can look different from the original.
In Stock
Pilot 9000284
#15

Round gas diagram

Pilot

Part #9000284

Replaced by #100109070

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