Dunkirk
Boiler

Model # Q90-175 SERIES 2 Official Dunkirk boiler

Here are the diagrams and repair parts for Official Dunkirk Q90-175-SERIES-2 boiler, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 107 parts  |

Dunkirk Valve 2272142
#2

Gas valve assy diagram

Dunkirk valve

Part #2272142

In Stock
Dunkirk Nat To Lp 1272035
#NI

Cabinet assy diagram

Dunkirk nat to lp

Part #1272035

In Stock
Elbow 1 1/4" X 90* 1190002
#15

Boiler block assy diagram

Elbow 1 1/4" x 90*

Part #1190002

In Stock
Tubing 1552004
#4

Air pressure assy diagram

Tubing

Part #1552004

In Stock
Clamp 1110001
#8

Air pressure assy diagram

Clamp

Part #1110001

In Stock
Pipe 240006820
#1

Exhaust tee/trap assy diagram

Pipe

Part #240006820

In Stock
Clamp 14631302
#21

Boiler block assy diagram

Clamp

Part #14631302

In Stock
Temperature Valve 14622011
#29

Boiler block assy diagram

Temperature valve

Part #14622011

In Stock
Switch 1401004
#2

Air pressure assy diagram

Switch

Part #1401004

In Stock
Tee 1510010
#18

Boiler block assy diagram

Tee

Part #1510010

In Stock

Symptoms for gas ranges

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Repair guides for gas ranges

How to replace a gas range oven igniter

How to replace a gas range oven igniter

If your gas oven doesn't heat up, the problem could be a faulty oven igniter. These step-by-step instructions guide you …

Repair difficulty
Time required
 45 minutes or less
How to replace an oven temperature sensor on a gas range

How to replace an oven temperature sensor on a gas range

See how to replace an oven temperature sensor on a gas range.…

Repair difficulty
Time required
 15 minutes or less
How to replace a range spark module

How to replace a range spark module

Follow these step-by-step instructions to put the fire back into the surface burners on your gas range by replacing the …

Repair difficulty
Time required
 30 minutes or less

Articles and videos for gas ranges

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…