- Specifications
- Documents
- Description
- High Grade Stainless Steel Connector
- Corrosion Proof Oxygen Barrier
- Factory Pre-Charged at 15 PSIG
- Thickest Diaphragm - Heavy Duty Butyl/EPDM
- Strong, Deep-Drawn Steel Construction
- Patented Insight Service Indicator Cap
- In-Line Models Available in 2.0 through 6.7 Gallon
- Suitable for Use in Glycol Applications
Nearly seven decades after inventing the Extrol, the first diaphragm expansion tank, Amtrol’s lineup now includes the Extrol Pro. This next generation expansion tank is engineered for modern, high-efficiency systems including hydronic, solar and radiant systems. The Extrol Pro is The One That Does It All.