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Dunkirk
Boiler

Model # Q90-100 Official Dunkirk boiler & storage tank

Here are the diagrams and repair parts for Official Dunkirk Q90-100 boiler & storage tank, 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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Installation guide
Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 119 parts  |
Relief Valve 146-22-011
#6

Boiler block/piping assy diagram

Relief valve

Part #146-22-011

Replaced by #10-408-05

?
Manufacturer substitution
This part replaces 146-22-011. Substitute parts can look different from the original.
$44.77 | 
12% OFF Phone Price : $50.77
In Stock
Circulator 146-26-045
#NI

Jacket/base assy diagram

Circulator

Part #146-26-045

Replaced by #103251

?
Manufacturer substitution
This part replaces 146-26-045. Substitute parts can look different from the original.
$224.79 | 
5% OFF Phone Price : $236.79
In Stock
Drain Valve 146-22-000
#19

Boiler block/piping assy diagram

Drain valve

Part #146-22-000

Replaced by #31-606-04

?
Manufacturer substitution
This part replaces 146-22-000. Substitute parts can look different from the original.
$36.16
In Stock
Transformer 146-62-801
#8

Jacket/base assy diagram

Transformer

Part #146-62-801

Replaced by #550001339

?
Manufacturer substitution
This part replaces 146-62-801. Substitute parts can look different from the original.
$69.09
In Stock
Blower 146-31-077
#5

Flue adapter/exhauster assy diagram

Blower

Part #146-31-077

Replaced by #2272065

?
Manufacturer substitution
This part replaces 146-31-077. Substitute parts can look different from the original.
$543.40 | 
$12.00 OFF Phone Price : $555.40
In Stock
Burner 146-31-007
#2B

Mixer/air pressure switch assy diagram

Burner

Part #146-31-007

Replaced by #550001811

?
Manufacturer substitution
This part replaces 146-31-007. Substitute parts can look different from the original.
$359.63
In Stock
Screw 10-32x3/8" 146-95-809
#10

Mixer/air pressure switch assy diagram

Screw 10-32x3/8"

Part #146-95-809

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

Air Baffle,k90100 425-31-100
#7C

Mixer/air pressure switch assy diagram

Air baffle,k90100

Part #425-31-100

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

Cover Plate 146-31-318
#16

Jacket/base assy diagram

Cover plate

Part #146-31-318

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

Nipple 146-07-044
#17

Boiler block/piping assy diagram

Nipple

Part #146-07-044

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

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