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This is a genuine Bostitch replacement part that fits all BT brad nailers and all S32 staplers. If trigger leaks air or if tool misfires often, try replacing trigger valve. This kit contains one (1) each of: valve assembly (including both O-rings), lubricant, spring pin punch, and repair instructions. Please note that two (2) O-rings are included but can also be purchased separately as parts # 106967 and # 86459. O-rings are easily damaged and worn out, causing tool issues, so it\\\'s a good idea to have a backup or two on hand. Only a hammer is needed for this repair.
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OEM stands for Original Equipment Manufacturer. Simply put, this means that the company who made your appliance is also supplying the replacement part for it.
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★★★★★
★★★★★
Joseph L - March 4, 2026
Verified Purchase
nail gun trigger replacement
came as expected, price was reasonable. part fit perfect and nail gun is back in running condition.
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Installation Instructions
Average Repair Rating: 2.8 / 5.0, 1 reviews.
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would not fire nails
remove 2 Philips head screws, drive out drift pins with drill bit. Remove TVA6 replace with new TVA6 making sure TVA6 is completely seated and slots are aligned with drift pin holes! Drive in drift pins. Replace trigger and screws. This did not solve the problem as suggested by Parts select. Replaced Head Valve Seal...Problem re
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Richard from Bogalusa, LA
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers
6 of 11 peoplefound this instruction helpful.
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Arnold
February 6, 2022
Air leak through the trigger
For model number BT50B
Hello Arnold, thank you for writing. If trigger leaks air or if tool misfires often, try replacing trigger valve. This kit contains one (1) each of: valve assembly (including both O-rings), lubricant, spring pin punch, and repair instructions. The trigger valve is part TVA6. We hope to hear from you soon.
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Randy
March 16, 2022
Need the trigger valve kit, will the one you have fit my Nailer? Don't want to by it if it doesn't fit.
For model number N59FN-2 Bostitch 15ga. Finish Nailer
Hello Randy, Thank you for contacting us. We have researched the model you have provided and have found the part you are looking for is Part Number: TVA6. If you need help placing an order, customer service is open 7 days a week. Please feel free to give us a call. We look forward to hearing from you!
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