Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Dunkirk
Boiler

Model # Q90-50 Official Dunkirk boiler & storage tank

Here are the diagrams and repair parts for Official Dunkirk Q90-50 boiler & storage tank, 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.

Installation guide
Owner’s manual

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 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
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
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
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
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
Bushing 146-31-120
#12

Jacket/base assy diagram

Bushing

Part #146-31-120

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

Hd Plug 3/4 Sq 146-93-058
#22

Boiler block/piping assy diagram

Hd plug 3/4 sq

Part #146-93-058

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

Orifice-ng 146-31-310
#27C

Mixer/air pressure switch assy diagram

Orifice-ng

Part #146-31-310

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

Bolt 1/4x1-1/4" 146-95-040
#15

Boiler block/piping assy diagram

Bolt 1/4x1-1/4"

Part #146-95-040

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

Repair guides for side-by-side refrigerators

How to replace an ice dispenser motor in a side-by-side refrigerator

How to replace an ice dispenser motor in a side-by-side refrigerator

If your side-by-side refrigerator isn’t churning out ice, replacing the motor could fix the problem. These steps explain…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a defrost heater in a side-by-side refrigerator

How to replace a defrost heater in a side-by-side refrigerator

If frost is building up in the freezer of your side-by-side refrigerator, the defrost heater could be faulty. Follow the…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace an evaporator fan motor in a side-by-side refrigerator

How to replace an evaporator fan motor in a side-by-side refrigerator

If your refrigerator isn't as cold as it should be, it could be that the evaporator fan motor isn't circulating air. Thi…

Read more
Repair difficulty
Time required
 60 minutes or less

Articles and videos for side-by-side refrigerators

How to Replace the Water Filter in a GE Refrigerator

How to Replace the Water Filter in a GE Refrigerator

See how to install the water filter on your GE refrigerator, no matter the filter type or refrigerator style.…

Read more
How to Replace the Water Filter in a Maytag Refrigerator

How to Replace the Water Filter in a Maytag Refrigerator

No matter what style Maytag refrigerator you have, we can walk you through replacing the water filter.…

Read more
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.…

Read more

Parts & More