Easy
15-30 minutes
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.
Trigger Valve Kit TVA6
OEM part for: Bostitch, DeWALT, Porter Cable
Part Number: TVA6
$36.19
In Stock
Order within the next 4 hours and your part ships today! 
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Compatibility
This part will fit the following 158 machines
Bostitch
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This item works with the following types of products:
- Stapler Parts
- Nailer Parts
This part replaces obsolete part #: TVA5, TVA6-1, TVA1
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Perfect
The part worked as described... The best part was that the item was recommended based on the problem....
Guest -
April 14, 2023
Verified Purchase
The part is exactly what is displayed and excellent quality
Order the part the representative guaranteed the fit and it worked perfect cured the problem back in business thank you to everyone involved
Guest -
February 3, 2023
Verified Purchase
Great part
My nail gun is now working like new again.
Guest -
October 25, 2022
Verified Purchase
Valve kit for Bosch roofing nailer
I received the valve 2 days sooner than I thought. My only complaint would be a lack of instructions. Thank heavens for YouTube. The replacement of the old valve with the new valve took about 10 minutes and the air leak at the trigger was fixed. Finished installing 5 squares of shingles and the valve worked like it was supposed to. Thanks.
Guest -
September 29, 2022
Verified Purchase
Easy checkout Fast Delivery
Part came in as described and arrived 2 weeks a head of schedule
iGlobal -
June 10, 2022
Verified Purchase
Parts
Both parts I bought worked perfectly and installed in minutes. I’m back to using my equipment
Guest -
September 9, 2021
Verified Purchase
Five Minute Repair, and Works Great!
I'm thankful this part was available for my ancient nailgun! Haha! The gun works like new.
Guest -
August 16, 2021
Verified Purchase
Fast, easy repair!
The part arrived quickly. Instructions were clear & concise making installation a snap! My pneumatic nailer works like new.
Guest -
November 17, 2020
Verified Purchase
Quick and easy, perfect part!
The kit arrived quickly. Good quality, it has everything that you need to replace the defective part. Took around 10 minutes!
Mike -
November 8, 2020
Verified Purchase
Easy Repair
Part fit and tool is back operational.
Lee -
October 23, 2020
Verified Purchase
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Questions & Answers ?
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Does this fit my product?Questions & Answers for Trigger Valve Kit
What about the hole in my trigger valve stem? Not in replacement?
Brian
for model number T50S4
asked on 2023-03-03
Hi Brian,
Thank you for your question. From reviewing your model number, this would be the correct trigger valve kit for your nailer It has replaced previous versions of this part. If you would like to place an order for it, please call our customer service line and anyone will be happy to assist you. We look forward to hearing from you!
eReplacementParts Team March 03, 2023
My old valve stem has a hole through it , why don't I see a hole in your replacement part ?
Lloyd
for model number T50S4
asked on 2022-04-27
Hello Lloyd, thank you for your question. This is a genuine Bostitch replacement part that fits all BT brad nailers and all S32 staplers. We hope this helps. If you need help placing an order, our customer service is open 7 days a week. Please feel free to give us a call. We look forward to hearing from you!
eReplacementParts Team April 27, 2022
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.
Trigger valve air leak and dirty nail gun
Matthew - March 20, 2016
👍 118 of 120 people found this instruction helpful
Tool Type
Nailer
Difficulty
Medium
Time
1-2 hours
Tools Used
, punches, air compressor, various cleaners, good lighting,...
Parts Used
First thoroughly clean your nail gun [ I use various little brushes, compressed air, carb. cleaner, rags and then air tool oil ]. Set up an area with good lighting and work over a surface where you will not lose any small parts. "Cradle" the nail gun on some rags and carefully use a hammer and a small straight punch of the correct size to remove the roll pin that holds the trigger and its spring in place, next do the same to remove the roll pin that holds the valve assembly, make a bag full of rags as a "catchers mitt" - put this around the trigger valve location,put on safety glasses or face shield , briefly attach the air hose at less than 90 p.s.i. !!! [ start at a lower p.s.i. ], this should pop out the old valve assembly into your "catchers mitt". Inspect that the nailer is clean inside this opening, lightly oil this area, Apply a uniform thin layer of grease to the valve assembly then make absolutely sure that the new valve goes in "square" / straight to the opening and that the retaining pin hole lines up with where the roll pin must go back [ USE THE SUPPLIED ALIGNMENT PIN TOOL ! ]. Gently reinstall the roll pin, make sure the trigger and its spring are clean and reinstall these and the retaining roll pin that hold them. Of course visually inspect everything along the way : that new valve assembly is complete [ o=rings in place, no housing cracks in gun frame, no debris inside gun, etc... ]. *** using too high of air pressure to pop out valve during repair can hurt you or others - as it will fly out like a bullet or shatter plastic parts ***
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Bad trigger valve
Keith - November 12, 2015
👍 35 of 37 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Air chuck, punch, and hammer
Parts Used
Use punch to push trigger pin out. Remove trigger. Hold rag over trigger valve, connect air for brief second which pops valve out. Oil new valve liberally, replace in pocket careful to line up correctly. Replace trigger and pin. Done
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Gun leaking air around trigger.
Claude - October 12, 2016
👍 27 of 29 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, Pin punch/Small hammer
Parts Used
1.Took pin punch and removed pin that holds trigger and spring in place.
2.Removed trigger and spring.
3.With pin punch removed pin that held trigger valve in place. Didn't drive either pin completely out but drove out just far enough to remove trigger and trigger valve.
4.Removed trigger valve by using a small awl to force out. Instruction say to hold rag over it and hook up to air and let it force it out but it came out without any problem using awl. I wasn't worried about damaging valve since I was going to be replacing it anyway.
5.Lubed new valve assembly, cleaned trigger housing and checked for burrs, and reassembled
in reverse order.
6.Works like a new gun. Complete repair including tear down took less than 30 minutes.
2.Removed trigger and spring.
3.With pin punch removed pin that held trigger valve in place. Didn't drive either pin completely out but drove out just far enough to remove trigger and trigger valve.
4.Removed trigger valve by using a small awl to force out. Instruction say to hold rag over it and hook up to air and let it force it out but it came out without any problem using awl. I wasn't worried about damaging valve since I was going to be replacing it anyway.
5.Lubed new valve assembly, cleaned trigger housing and checked for burrs, and reassembled
in reverse order.
6.Works like a new gun. Complete repair including tear down took less than 30 minutes.
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Air leak at the trigger.
Michael - April 25, 2016
👍 19 of 20 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Pliers, small ball peen hammer
Parts Used
Using a small hammer & a flat bottom punch, removed the roll pin holding the trigger in place. Using the punch again I removed the roll pin retaining the trigger valve,& covering the old trigger valve with a rag I hooked up the nail gun to the air supply & it popped out the old trigger valve into the rag. Using the supplied grease I lubed the o - rings on the new trigger valve & installed it into the gun, & then reinstalled the roll pin retaining the new trigger valve.
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Trigger was leaking air
AL - November 2, 2016
👍 7 of 7 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Small punch, hammer
Parts Used
I followed the instructions that were included with the kit. The repair was completed in no time.
Thank you for the quick delivery.
Thank you for the quick delivery.
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Air would leak passed the trigger assy and the plunger would not reset/return to original position.
Andrew - November 1, 2016
👍 6 of 6 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Hammer
Parts Used
I opened the package, followed the step by step instructions, used the long pin provided to push out the pins holding my trigger assy (I also used a hammer to drive/push the long pin - the instructions didn't suggest this.), used (some of) the packet of grease supplied, reassembled the tool with the new part and now everything works like a dream. Things took me longer because I'm a bonehead and took the trigger apart. Do NOT take the trigger apart - it has small parts that are assembled by people with 6 hands - a total PITA.
I will definitely use ereplacementparts again.
I will definitely use ereplacementparts again.
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The trigger on my Bostitch nailer began leaking air continuously
Nathaniel - October 23, 2017
👍 2 of 2 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Pliers, Small hammer
Parts Used
1. Drove out the pins holding the trigger and the trigger valve with the enclosed pin driver.
2. Pulled the trigger valve out gently with the pliers.
3. Made sure all of the "O" rings were lubricated properly.
4. Slid the new trigger valve into place.
5. Reinstalled the pins holding the trigger valve and the trigger.
6. Went back to work using the Nailer.
2. Pulled the trigger valve out gently with the pliers.
3. Made sure all of the "O" rings were lubricated properly.
4. Slid the new trigger valve into place.
5. Reinstalled the pins holding the trigger valve and the trigger.
6. Went back to work using the Nailer.
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Air was leaking from head and trigger
Richaqrd - October 5, 2016
👍 2 of 2 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, Allen wrench
Parts Used
Had to dismantle the trigger assembly, it came with instructions. Clean and then replace all o-ring lube up and then reassemble.
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Nailer leaked air at the trigger
RAY - September 6, 2016
👍 2 of 2 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Pliers, HAMMER PUNCH
Parts Used
Followed the installation instructions that were included with the trigger kit.
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Nail gun developed an air leak at the trigger.
Lyle - September 26, 2018
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Hammer
Parts Used
1. Use the included punch to remove the roll pin holding the trigger.
2. Remove the trigger and spring and set aside.
3. Remove the roll pin holding the trigger valve in place, pay close attention to the position of the trigger valve.
4. Carefully attach the air hose to blow the trigger valve from the gun.
5. Lube the o-rings of the new trigger valve with the included lubricant.
6. Insert the new trigger valve, paying attention to the roll pin location.
7. Tap the roll pin for the trigger valve back into place.
8. Position the trigger and spring and replace the roll pin, to complete the repair.
2. Remove the trigger and spring and set aside.
3. Remove the roll pin holding the trigger valve in place, pay close attention to the position of the trigger valve.
4. Carefully attach the air hose to blow the trigger valve from the gun.
5. Lube the o-rings of the new trigger valve with the included lubricant.
6. Insert the new trigger valve, paying attention to the roll pin location.
7. Tap the roll pin for the trigger valve back into place.
8. Position the trigger and spring and replace the roll pin, to complete the repair.
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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.
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This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
