Model # DXL-50 Official Dunkirk boiler

Here are the diagrams and repair parts for Official Dunkirk DXL-50 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.

Installation guide

Owner’s manual

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 68 parts |

Control module diagram

Boiler ignition control module

Part #14662070

$104.90 |

9% OFF Phone Price : $114.90

In Stock

Qty

Control module diagram

Transformer

Part #240007897

$60.27

In Stock

Qty

#NI

Piping & controls diagram

Sensor

Part #240007708

$73.51

In Stock

Qty

#NI

Jacket parts diagram

Dunkirk orifice bbr 11 lp gas

Part #PB00208

$14.49

In Stock

Qty

#NI

Heat exchange & base diagram

Heat exchange,5section

Part #912000004

$1393.62

In Stock

Qty

Jacket parts diagram

Dunkirk assy pnl upr frnt dxl 050

Part #109008761AC

$72.02

In Stock

Qty

#NI

Control module diagram

Harness

Part #240009075

$82.31

In Stock

Qty

#10

Jacket parts diagram

Dunkirk assy pnl lt dxl

Part #109008495AC

$194.48

In Stock

Qty

#NI

Piping & controls diagram

Harness circulator

Part #240009421

$46.20

In Stock

Qty

#3A

Control module diagram

Cover j-box

Part #212000018

This item is not returnable

$6.37

In Stock

Qty

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

View all

Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

View all

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair difficulty

Time required

45 minutes or less

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair difficulty

Time required

30 minutes or less

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair difficulty

Time required

15 minutes or less

Articles and videos for treadmills

Use the advice and tips in these articles and videos to get the most out of your treadmill.

View all

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

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

Model # DXL-50 Official Dunkirk boiler

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for treadmills

Why won't my treadmill start even though the console display works?

Why is my treadmill's heart rate sensor not accurate?

Why is my treadmill's walking belt off center?

Why is my treadmill's walking belt slipping?

Why does my treadmill's walking belt slow down?

Why does my treadmill have no display?

Why won't my treadmill power up?

Repair guides for treadmills

How to replace a treadmill walking belt

How to replace a treadmill walking board

How to replace a treadmill drive motor

Articles and videos for treadmills

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

Top questions about Sears and Sears PartsDirect

How to use a multimeter to test electrical parts video

Parts & More

Stay Connected

Quick links

Let us help you

More resources