I have a constant air leak in the vicinity of the trigger that started suddenly. From the troubleshooting guide in the manual, it suggested both the o-ring kit, ORK1 and the trigger kit TVA2 as possible solutions. The o-ring kit was cheaper, so I started with that, but it did not fix the leak.

The manual lists TVA2 as the trigger kit part, but the N59FN page on mastertoolrepair.com lists TVA6. A part search for TVA2 shows this part available through MTR, but it is substantially more expensive than the after-market TVA6. Is the TVA6 trigger valve kit compatible with this nailer or is this a typo on the N59FN parts page?

Thanks.