TRS21 / BVV Upgraded Top Piston Assembly

BVV-3

Included in this kit: Top piston assembly with piston seal and piston wear band.

This upgrade kit can be used for the following recovery pumps:

• CPS TRS21 Anti-spark/explosion pump
  
• BVV 2 Cylinder Butane Recovery Pump ITS/ETL to ANSI/ISA Certified
• BVV 4 Cylinder Butane Recovery Pump ITS/ETL to ANSI/ISA Certified - Requires 2 kits because this unit has 4 cylinders.

• BVV CMEP-OL Retro Fit Upgraded Head - Requires 2 kits because this unit has 4 cylinders.

BVV 4 Cyl & 2 Cyl Pump Seal Rebuild Instructions

If you have upgraded to the 2-piece SS piston design this kit is used to rebuild the piston seal and wear band. Piston tool (SKU: BVV-TL1 ) and Loctite 242 will be needed to properly install. If tool is not used the customer is responsible for any damage done to piston during assembly.