Devilbiss
Gas Pressure Washer

Model # EXH2425 Official Devilbiss pressure washer

Here are the diagrams and repair parts for Official Devilbiss EXH2425 pressure washer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 29 parts  |

Devilbiss Pressure Washer Screw D21436
#2A

Power washer diagram

Devilbiss pressure washer screw

Part #D21436

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

Devilbiss Key P448
#NI

Power washer diagram

Devilbiss key

Part #P448

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

Devilbiss Isolator D22268
#2

Power washer diagram

Devilbiss isolator

Part #D22268

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

Devilbiss Frame D22181
#1

Power washer diagram

Devilbiss frame

Part #D22181

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

Devilbiss Lawn Mower Knob 16471
#5

Power washer diagram

Devilbiss lawn mower knob

Part #16471

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

Nut 16087
#NI

Power washer diagram

Nut

Part #16087

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

Devilbiss Pressure Washer Bolt 18297
#NI

Power washer diagram

Devilbiss pressure washer bolt

Part #18297

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

Devilbiss Pressure Washer Nut D21437
#2B

Power washer diagram

Devilbiss pressure washer nut

Part #D21437

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

Delta Pressure Washer Spray Nozzle Cleaning Tool NCT001
#10

Power washer diagram

Delta pressure washer spray nozzle cleaning tool

Part #NCT001

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

Delta Wrench 16797
#NI

Power washer diagram

Delta wrench

Part #16797

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: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Main causes: broken recoil spring, damaged recoil starter…

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

Main causes: faulty unloader valve, bad pressure regulator…

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

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 install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…

Repair difficulty
Time required
 120 minutes or less
How to install a pressure washer O-ring kit

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 difficulty
Time required
 45 minutes or less
How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your pressure washers

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

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

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

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