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Dunkirk 4EW90ZBTP boiler Parts
Here are the diagrams and repair parts for Dunkirk 4EW90ZBTP boiler, as well as links to manuals and error code tables, if available.
Installation guideBy Schematic
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Browse Parts for 4EW90ZBTP Boiler
Water boiler diagram
Tie Rod
Part #146-05-051
The manufacturer no longer makes this part, and there's no substitute part
Front water section diagram
Bolt
Part #146-95-122
The manufacturer no longer makes this part, and there's no substitute part
Front water section diagram
Rivet
Part #146-95-121
The manufacturer no longer makes this part, and there's no substitute part
Water boiler diagram
Dunkirk Hh 43834 Nut
Part #HW-003.02
The manufacturer no longer makes this part, and there's no substitute part
Optional tankless coil water heater diagram
Well
Part #240009283
The manufacturer no longer makes this part, and there's no substitute part
Water boiler diagram
Rope
Part #433-00-955
The manufacturer no longer makes this part, and there's no substitute part
Front water section diagram
Door Hinge
Part #403-00-010
The manufacturer no longer makes this part, and there's no substitute part
Water boiler diagram
Boiler Clamshell, Rear
Part #403-00-008
The manufacturer no longer makes this part, and there's no substitute part
Symptoms for gas pressure washers
Choose a symptom to see related pressure washer repairs.
Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…
Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…
Things to do: tune up the engine, inject pump saver into the water pump when storing the pressure washer for the winter…
Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…
Main causes: faulty unloader valve, bad pressure regulator…
Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…
Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…
Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…
Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…
Repair guides for gas pressure washers
These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.
How to replace a pressure washer pump
The pump can be damaged by air in the inlet water supply or by chemicals that remain in the pump body after using the ch…
Repair time and Difficulty
15 minutes or less
How to install a pressure washer O-ring kit
O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…
Repair time and Difficulty
45 minutes or less
How to replace a pressure washer unloader valve
The unloader valve recirculates water to protect the pump from damage. If the unloader valve is defective, replace it us…
Repair time and Difficulty
15 minutes or less
Articles and videos for gas pressure washers
Use the advice and tips in these articles and videos to get the most out of your pressure washer.
Learn about the top 10 must-have electric lawn & garden tools for 2023…
Follow this advice to winterize your pressure washer.…
See what you can learn from the questions that people most often ask our experts about their pressure washers.…
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