Boss
Gas Water Heater

Model # 8-75-NQRT6 Official Boss gas water heater

Here are the diagrams and repair parts for Official Boss 8-75-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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ALL PARTS
Showing 10 of 24 parts  |

Pilot Assembly 9000285
#15

Round gas diagram

Pilot assembly

Part #9000285

Replaced by #9000285-15

?
Manufacturer substitution
This part replaces 9000285. Substitute parts can look different from the original.
In Stock
Door 9000369
#18

Round gas diagram

Door

Part #9000369

This item is not returnable
In Stock
Draft Hood 9001303
#1

Round gas diagram

Draft hood

Part #9001303

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

Anode Rod 9001314
#6

Round gas diagram

Anode rod

Part #9001314

Replaced by #100300397

?
Manufacturer substitution
This part replaces 9001314. Substitute parts can look different from the original.
$55.38
10% OFF Phone Price : $61.38
In Stock
Anode Rod 9000734
#21

Round gas diagram

Anode rod

Part #9000734

Replaced by #100108660

?
Manufacturer substitution
This part replaces 9000734. Substitute parts can look different from the original.
In Stock
Ring 9000297
#3

Round gas diagram

Ring

Part #9000297

Replaced by #100109288

?
Manufacturer substitution
This part replaces 9000297. Substitute parts can look different from the original.
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.
In Stock
Nipple 9000948
#4

Round gas diagram

Nipple

Part #9000948

Replaced by #9002564

?
Manufacturer substitution
This part replaces 9000948. Substitute parts can look different from the original.
$19.19
9% OFF Phone Price : $21.19
In Stock
Water Heater Pilot Tube Assembly (replaces Std317025, Std317255) 9000278
#13

Round gas diagram

Water heater pilot tube assembly (replaces std317025, std317255)

Part #9000278

Replaced by #100108370

?
Manufacturer substitution
This part replaces 9000278. 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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