Amtrol EXTROL 102-1 EX Series Boiler System Expansion Tank , 4.4 gal Capacity , 0.57 Acceptance , 2.5 gal Acceptance , 100 psig Pressure , Heavy Duty Butyl/EPDM Diaphragm , 11 in Dia x 15 in H


Hydronic Expansion Tanks
MFG #: 102-1 Product ID:336361
Famous Supply
  • Finish: Urethane Topcoat
  • Length: 11 in
  • Material: Steel Shell
  • Series: EX Series
  • Temperature Rating: 240 deg f
  • Width: 11 in
  • Capacity: 4.4 gal
  • Acceptance Factor: 0.57
  • Acceptance Capacity: 2.5 gal
  • Pressure Rating: 100 psig
  • Diameter: 11 in
  • Height: 15 in
AmtrolĀ® designed and patented the first Extrol diaphragm expansion tank in 1954 to control system pressure and help reduce energy consumption in heating and chilled water systems. Over six decades later, Extrol is still the world's leading expansion tank brand, setting the standard for quality, reliability and innovation. All Extrol tanks are made in the USA at our ISO registered facilities by American workers dedicated to producing the highest quality expansion tanks in the world.
  • Features
  • Warranty
  • Application
Water-tight reservoir for expanded water
Thick, heavy duty Butyl/EPDM diaphragm for long service life
Sealed air cushion-factory precharged and 100% tested
12 psig factory precharge
Strong, deep-drawn steel tank
Projection welded air stem maintains precharge setting
1/2 in NPTM system connection
Accepts expanded water as system temperature rises to reduce pressure build-up
Helps reduce energy consumption and reduces system wear
Fill-TrolĀ® models eliminate the need for a separate automatic fill valve and tank pressure controls system fill
Suitable in propylene glycol applications with mixtures up to 50%
5 Years Limited
Closed Non-Potable Hydronic Heating Systems