DeWalt / Bostitch TVA6 Trigger Valve Kit – Genuine OEM Replacement Pneumatic Nailer Trigger Valve Repair Kit

Part Number: TVA6
Category: Air Tool Parts & Accessories → Nailer Parts → Trigger Valves & Repair Kits
Type: DeWalt TVA6 Trigger Valve Kit – Genuine OEM Replacement Pneumatic Nailer Trigger Valve Repair Kit

The TVA6 Trigger Valve Kit is a genuine OEM replacement repair kit designed for compatible DeWalt, Bostitch, and Porter-Cable pneumatic nailers and staplers. The trigger valve is a critical component of the pneumatic firing system, regulating airflow each time the trigger is pulled to initiate the driving cycle. If the trigger leaks air, misfires, or fails to actuate the tool consistently, replacing the trigger valve can restore reliable operation. This complete OEM kit includes the trigger valve assembly with two O-rings, pneumatic lubricant, a spring pin punch, and repair instructions, providing everything needed for a proper trigger valve replacement.

Key Features & Benefits

• Part Number: TVA6
• Genuine OEM DeWalt replacement part
• Complete trigger valve repair kit
• Restores proper trigger operation
• Helps eliminate trigger air leaks
• Improves firing consistency
• Includes replacement O-rings for reliable sealing
• Direct-fit OEM replacement
• Manufactured to original equipment specifications

Technical Specifications

Part Number: TVA6

Manufacturer: Bostitch

Product Type: Trigger Valve Repair Kit

OEM Part: Yes

Application: Pneumatic Nailer & Stapler Trigger Assembly

Kit Includes:

• Trigger valve assembly
• Two (2) O-rings
• Pneumatic lubricant
• Spring pin punch
• Installation instructions

Compatible Applications

The DeWalt TVA6 Trigger Valve Kit fits numerous compatible DeWalt, Bostitch, and Porter-Cable pneumatic nailers and staplers, including many:

• Brad Nailers
• Finish Nailers
• Framing Nailers
• Metal Connector Nailers
• Coil Nailers
• Staplers

This OEM repair kit is commonly used on Bostitch BT-series brad nailers, S32-series staplers, and many additional compatible DeWalt, Bostitch, and Porter-Cable pneumatic fastening tools that specify part number TVA6. Always verify your tool model and original part number before ordering to ensure proper compatibility.

Function of the Trigger Valve Kit

The DeWalt TVA6 Trigger Valve Kit restores proper operation of the nailer's trigger mechanism by:

• Controlling airflow during trigger actuation
• Maintaining airtight seals within the trigger assembly
• Providing consistent firing performance
• Reducing trigger-related air leaks
• Supporting reliable nail driving operation
• Restoring the tool's original pneumatic performance

Using a genuine OEM trigger valve kit helps ensure proper fit, dependable sealing, and long-term air tool reliability.

Common Signs Replacement Is Needed

Replace the trigger valve kit if you notice:

• Air leaking from the trigger
• Trigger sticks or fails to return
• Tool misfires or skips firing
• Inconsistent trigger response
• Reduced driving performance
• Worn or damaged trigger valve seals

A worn trigger valve can reduce pneumatic efficiency, increase air consumption, and cause unreliable nailer performance.

Installation & Service Notes

Disconnect the nailer from the air supply and remove all fasteners before performing maintenance.

Follow the manufacturer's service instructions to remove the trigger retaining pin using the included spring pin punch. Remove the existing trigger valve assembly, inspect the trigger bore for dirt or damage, and apply the included pneumatic lubricant to the replacement O-rings before installation. Install the new TVA6 Trigger Valve Kit, reassemble the trigger mechanism, reconnect the air supply, and verify smooth trigger operation and leak-free performance before returning the tool to service.

Important: Always verify your tool model and original part number before ordering. Inspect related O-rings and pneumatic components during service, and use only genuine OEM DeWalt replacement parts to ensure proper fit, reliable sealing, and long-term pneumatic nailer performance.

Maintenance Recommendations

• Lubricate pneumatic components with the manufacturer's recommended air tool oil.
• Inspect the trigger assembly regularly for air leaks.
• Replace worn O-rings during routine maintenance.
• Keep the trigger mechanism clean and free of debris.
• Drain moisture from the air compressor regularly to protect internal seals.
• Use genuine OEM replacement parts to maintain factory fit, dependable trigger performance, and long-term pneumatic tool reliability.