Dunkirk
Boiler

Model # 4EW150ZBTP Official Dunkirk boiler

Here are the diagrams and repair parts for Official Dunkirk 4EW150ZBTP boiler, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 58 parts  |

Relief Valve 146-22-011
#1

Optional tankless coil water heater diagram

Relief valve

Part #146-22-011

Replaced by #10-408-05

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Manufacturer substitution
This part replaces 146-22-011. Substitute parts can look different from the original.
$44.77
10% OFF Phone Price : $49.77
In Stock
Dunkirk Tankless Coil Gasket 240007071
#15

Water boiler diagram

Dunkirk tankless coil gasket

Part #240007071

In Stock
Dunkirk Pnl Rear Ewii Blue 42500269AC
#2

Side panels diagram

Dunkirk pnl rear ewii blue

Part #42500269AC

In Stock
Dunkirk Pnl Side Lt Ewii 4 Sect Blue 42500265AC
#4

Side panels diagram

Dunkirk pnl side lt ewii 4 sect blue

Part #42500265AC

In Stock
Dunkirk Hh 43834 Nut HW-003.02
#6

Water boiler diagram

Dunkirk hh 43834 nut

Part #HW-003.02

This item is not returnable
In Stock
Dunkirk Pnl Top Ewii 4 Sect Blue 42500255AC
#3

Side panels diagram

Dunkirk pnl top ewii 4 sect blue

Part #42500255AC

In Stock
Replacement Sensor Only 240009989
#5B

Optional tankless coil water heater diagram

Replacement sensor only

Part #240009989

In Stock
Coil Conversin Kit (adds Tankless Coil To Non-coil Boiler, Containes Items 15,16 And Control Well) 550003211

#NI03

All parts diagram

Coil conversin kit (adds tankless coil to non-coil boiler, containes items 15,16 and control well)

Part #550003211

In Stock
Long Control Well For Front Supply Tapping 240007709
#5C

Optional tankless coil water heater diagram

Long control well for front supply tapping

Part #240007709

In Stock
Dunkirk Pnl Side Rt Ewii 4 Sect Blue 42500245AC
#1

Side panels diagram

Dunkirk pnl side rt ewii 4 sect blue

Part #42500245AC

In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 minutes or less

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Find out how to test and fix problems with the spark plug, stop wire, ignition coil and flywheel.…