Bostitch TVA13 Trigger Valve Assembly – Genuine OEM Replacement Pneumatic Nailer Trigger Valve Assembly
Part Number: TVA13
Category: Pneumatic Tool Parts → Trigger Components → Trigger Valve Assemblies
Type: Bostitch TVA13 Trigger Valve Assembly – Genuine OEM Replacement Pneumatic Nailer Trigger Valve Assembly
The Bostitch TVA13 Trigger Valve Assembly is a genuine OEM replacement trigger valve designed for compatible Bostitch pneumatic staplers and pinners. This complete valve assembly controls the flow of compressed air through the trigger mechanism, allowing the tool to cycle properly and drive fasteners consistently. Manufactured to original equipment specifications, the TVA13 provides a direct-fit replacement for leaking, sticking, or worn trigger valves, helping restore smooth trigger response and reliable pneumatic performance.
Key Features & Benefits
- Part Number: TVA13
- Genuine OEM Bostitch replacement part
- Complete trigger valve assembly
- Controls compressed air flow during trigger operation
- Restores smooth trigger response
- Helps eliminate trigger air leaks
- Precision-engineered for OEM fit and performance
- Direct-fit OEM replacement
- Manufactured to original equipment specifications
Technical Specifications
Part Number: TVA13
Manufacturer: Bostitch
Product Type: Trigger Valve Assembly
Material: Composite Valve Body with Integrated Seals
Application: Pneumatic Staplers and Pinners
OEM Part: Yes
Quantity: Sold Individually
Compatible Applications
The Bostitch TVA13 Trigger Valve Assembly fits numerous compatible Bostitch pneumatic tools, including:
Bostitch Fine Wire Staplers
- 21671B
- 21671B-LM
- 21671B-LN
- 21680B
- 21680B-LN
- 21684B
- 21697B
- TU216-71
- TU216-71LM
- TU216-71LN
- TU216-80
- TU216-80LM
- TU216-80LN
- TU216-84
- TU216-SJK
Bostitch Pinners
- HP118K 23-Gauge Headless Pinner
- TU216-2330
- TU-216-2330
- TU-225-18HP 18-Gauge Pinner
Always verify your tool model, type number, and original part number before ordering to ensure proper compatibility.
Function of the Trigger Valve Assembly
The TVA13 Trigger Valve Assembly is designed to:
- Control compressed air flow through the trigger mechanism
- Activate the pneumatic firing cycle
- Deliver consistent trigger response
- Help seal the trigger air circuit
- Restore proper fastener driving operation
- Maintain reliable pneumatic tool performance
Using a genuine OEM replacement trigger valve assembly helps ensure dependable air control, smooth trigger action, and consistent firing performance.
Common Signs Replacement Is Needed
Replace the trigger valve assembly if you notice:
- Air leaking around the trigger
- Trigger sticking or failing to return
- Tool will not fire consistently
- Continuous air leakage after connecting the air hose
- Weak or inconsistent fastener driving
- Worn or damaged internal valve components
A worn or damaged trigger valve assembly can reduce pneumatic efficiency, cause air leaks, and prevent reliable tool operation.
Installation & Service Notes
Disconnect the pneumatic tool from the air supply and remove all fasteners before servicing.
Disassemble the handle according to the manufacturer's service procedure and carefully remove the existing TVA13 Trigger Valve Assembly. Inspect the valve bore, trigger mechanism, retaining pin, and surrounding seals for dirt, wear, or damage before installing the replacement valve. Apply pneumatic tool lubricant to the seals if recommended by the manufacturer, install the new valve assembly in the same orientation as the original, and reassemble the trigger components. After reconnecting the air supply, verify that the tool cycles properly and that no air leaks are present around the trigger before returning it to service.
Important: Always verify your tool model and original part number before ordering. If air leakage or firing issues persist after replacement, inspect the remaining internal O-rings, trigger mechanism, and head valve assembly for additional wear.
Maintenance Recommendations
- Lubricate pneumatic tools as recommended by the manufacturer.
- Use clean, dry compressed air to reduce seal wear.
- Drain the air compressor tank regularly to minimize moisture.
- Inspect the trigger mechanism for smooth operation during routine maintenance.
- Replace worn seals and trigger components before excessive air leakage develops.
- Use genuine OEM replacement parts to maintain factory fit, reliable trigger performance, and long-term pneumatic tool durability.
