FPPI 06-025-00


Expansion Tank 2½ gl, UL listed

Availability: Please Call for Availability

Condition: New
Brand: FPPI
Status: Active
SKU: 90719
Manufacturer Part #: 06-025-00


N.F.P.A. 13, 13D and 13R requires the use of an expansion chamber on antifreeze systems with backflow preventers. The TrimFit ET25 is a rubber bladder filled expansion chamber designed for use on antifreeze based fire sprinkler systems. It has been tested and U.L. listed to be compatible with both propylene glycol and glycerin based antifreeze. The expansion chamber regulates pressure caused by thermal expansion and contraction within the closed system.

Additional information

Weight 1 lbs

ASC Engineered Solutions




Unit of Measurement

EA (Each)

Production Status



  • U.L. Listed for Fire Protection Use (UL File Number EX16145)
  • Suitable for N.F.P.A. 13, 13D and 13R systems
  • Compatible with both glycol and glycerin systems
  • Industry leading strength/weight ratio
  • • 21/2 gallon total volume • Stainless steel construction for long service life
  • 1” NPT supply connection • Pre-charged to 25 psi/175 kPa with Nitrogen*


Fire Sprinkler Accessories; Expansion Tank
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