Amtrol®

111-4 Specialty Combination Kit

AMT111P1.25 MFG #: 111-4
111-4 Specialty Combination Kit
  • Capacity: 7.4 gal
  • Diameter: 11 in
  • Domestic / Import: Domestic
  • Height: 25 in
  • Acceptance Capacity: 2.5
  • Acceptance Factor: 0.34
  • Diaphragm Type: Heavy Duty Butyl/EPDM
  • Manufacturer: Amtrol
  • Manufacturer #: 111-4
  • Material: Steel Shell
  • Pressure Rating: 100 psig
  • Temperature Rating: 240 degF
Extrol® expansion tanks accept expanded fluid in closed-loop hydronic systems to control pressure build-up, improve comfort and help reduce energy costs. Nearly seven decades after inventing the first diaphragm expansion tank, Amtrol® line-up now includes specialty models engineered for modern, high-efficiency systems. None of it would have been possible without Extrol® The One That Started It All™.

Amtrol® FILL-TROL® Specialty Combination Kit, 7.4 gal Capacity, 11 in Dia, 25 in Height, 100 psig, Acceptance Factor: 0.34, 2.5 gal Acceptance, 240 deg F, Heavy Duty Butyl/EPDM Diaphragm, Steel Shell, Domestic
  • Features
  • Includes
  • Eliminates the need for a separate, automatic fill valve
  • Strongest tank design featuring deep drawn steel
  • Patent-pending InSight™ service indicator cap
  • Tank pressure controls system fill
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