AMTROL – Extrol Hydronic Expansion Tanks

Construction

• Shell: High Strength Steel
• Diaphragm: Heavy Duty Butyl/EPDM
• System Connection: Steel
• Air Stem: Projection Welded
• Air Valve Cap: Patented InSight™ Indicator Cap (EX-15, EX-30, EX-60)
• Factory Precharge: 12 PSIG (0.8 bar)

Performance

• Max. Operating Temperature: 240º F (116º C)
• Max. Working Pressure: 100 PSIG (6.9 bar)
• Warranty:
· EX Models: 7-Year Limited
· SX Models: 1-Year Limited

Application

• For use in closed, hydronic heating systems to control pressure build-up.
• Accepts expanded water as system temperature rises and returns it to the system as the temperature drops.