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Amtrol 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 worlds leading expansion tank brand, setting the standard for quality, reliability and innovation.
Amtrol® EXTROL® Boiler System Expansion Tank, Floor-Standing, Series: SX, 20 gal, 15 in Dia, 32 in Height, 100 psi, Acceptance Factor: 0.57, 240 deg F, Heavy Duty Butyl/EPDM Diaphragm, Steel Shell, Urethane Topcoat, Domestic
| Acceptance Factor | : | 0.57 |
| Capacity | : | 20 gal |
| Diameter | : | 15 in |
| Diaphragm Type | : | Heavy Duty Butyl/EPDM |
| Domestic/Import | : | Domestic |
| Finish | : | Urethane Topcoat |
| Height | : | 32 in |
| Material | : | Steel Shell |
| Pressure Rating | : | 100 psi |
| Series | : | SX |
| Temperature Rating | : | 240 deg F |
| Type | : | Floor-Standing |
| Warranty | : | 1 Year Limited |
- These non-ASME tanks are available in sizes up to 86 gallons and can be used with high output boilers up to 1,500,000 BTU's
- Accepts expanded water as system temperature rises to reduce pressure build-up
- 12 psig factory pre-charged
- 11.3 gal maximum acceptance volume
- 1 in NPTF steel system connection
- 1-13/16 in stand to connection
- Projection welded air valve
- Vertical
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