Dunkirk
Boiler

Model # Q90-50 SERIES 4 Official Dunkirk boiler

Here are the diagrams and repair parts for Official Dunkirk Q90-50-SERIES-4 boiler, 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 96 parts  |

Boiler Burner Igniter 43800013
#21

Mixer assy diagram

Boiler burner igniter

Part #43800013

$166.35
7% OFF Phone Price : $178.35
In Stock
Boiler Integrated Control Board 14662803
#12

Base assy diagram

Boiler integrated control board

Part #14662803

$253.90
5% OFF Phone Price : $265.90
Back Order
Pipe 240006821
#NI

Exhaust assy diagram

Pipe

Part #240006821

In Stock
Transformer 240005330
#11

Base assy diagram

Transformer

Part #240005330

In Stock
Valve 240009323
#15

Boiler block assy diagram

Valve

Part #240009323

In Stock
Trap 240009287
#3

Drain trap assy diagram

Trap

Part #240009287

In Stock
Plate 212000009
#3

Base assy diagram

Plate

Part #212000009

This item is not returnable
In Stock
Clamp 14631143
Clamp

Part #14631143

In Stock
Tube 1552014
#24

Mixer assy diagram

Tube

Part #1552014

In Stock
Panel 109008717AC
#8

Base assy diagram

Panel

Part #109008717AC

In Stock

Symptoms for upright freezers

Main causes: clogged or frozen defrost drain tube…

Repair guides for upright freezers

How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Repair difficulty
Time required
 45 minutes or less
How to replace a freezer evaporator fan

How to replace a freezer evaporator fan

Air won’t circulate to cool the freezer properly when the evaporator fan fails. Follow these step-by-step instructions t…

Repair difficulty
Time required
 45 minutes or less

Articles and videos for upright freezers

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.…