Easy
15-30 minutes
The check valve attaches to the tank and helps to let air into the tank. It is made out of metal and is priced individually. This is an OEM part sourced directly from the manufacturer and is used in compressors made by DeWALT and Bostitch. It will need to be replaced if it breaks and may require a screwdriver and a wrench set to do the replacement.
Check Valve N034159
OEM part for: DeWALT, Bostitch
Part Number: N034159
$53.65
In Stock
Ships within 1 business day 
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Frequently Purchased Together ?
Compatibility
This part will fit the following 7 machines
DeWALT
D55146 Type 2 4.5 gallon, 200 PSI Hand Carry Compressor View Diagrams & Manuals
D55146 Type 3 Compressor View Diagrams & Manuals
D55149 Type 4 Compressor View Diagrams & Manuals
D55146 Type 4 Compressor View Diagrams & Manuals
D55146 (Type 5) Compressor Power Tool View Diagrams & Manuals
D55146 (Type 8) Compressor Power Tool View Diagrams & Manuals
Bostitch
CAP1645-OF (Type 1) C 4.5G Jb Ehp Of 200Psi B View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Compressor Parts
This part replaces obsolete part #: 1000001498
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Air leak from the tank
Jose - February 22, 2017
👍 1 of 1 people found this instruction helpful
Tool Type
Compressor
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Adjustable Wrench
Parts Used
Replaced check valve, nothing complicated
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Wouldn’t build air pressure
Tony - September 29, 2021
Tool Type
Compressor
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Adjustable Wrench, #30 torque screw bit
Parts Used
Removed top metal step cover, remove side plastic cover, remove metal air supply tubing, install new metal air supply tubing.
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compressor, wouldn't build pressure and shut off. still have to adjust pressure control
teddy - January 19, 2019
Tool Type
Compressor
Difficulty
Easy
Time
30-60 minutes
Tools Used
Wrench Set, Adjustable Wrench
Parts Used
loosened bonnet nut from side to un hook outlet tube.
remove by unthread part.
replace new part threading clock wise, attach outlet tubing and tighten bonnet nut.
job done with ease.
remove by unthread part.
replace new part threading clock wise, attach outlet tubing and tighten bonnet nut.
job done with ease.
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Compressor wouldn't build pressure
Gabe - November 16, 2017
Tool Type
Compressor
Difficulty
Medium
Time
15-30 minutes
Tools Used
Wrench Set
Parts Used
Removed the old check valve and installed the new check valve.
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The outlet tube was corroded through by the nut.
Walter - April 22, 2017
Tool Type
Compressor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set
I removed the broken check valve and outlet tube. Replaced the new parts. Easy fix.
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Air tank check valve stuck open and no pressure build up
Brad - April 4, 2017
Tool Type
Compressor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set
Parts Used
Disconnected the line and found valve stuck open. Replaced the valve, and now the air tank builds up pressure
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
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