Indirect solar heating expansion tanks

SWB-8LX

The SolarWave™ 8-liter / 2.11-gallon inline expansion tank is a compact solution for managing thermal expansion in small solar heating systems. Its high-temperature butyl diaphragm and patented stainless-steel water connection ensure reliable operation, while the leak-free O-ring sealed air valve and replaceable base provide maintenance-free convenience.

Pre-charged to 1.9 bar / 28 psi and equipped with a 0.75" BSPT (c/w NPT) connection, this inline tank integrates seamlessly into solar closed-loop circuits or hydronic heating systems. The durable carbon steel shell with dual-layer polyurethane paint finish ensures resistance to corrosion and extreme temperatures, offering long-term reliability.

  • Solar closed loop circuits
  • Hydronic heating circuits

MODEL NUMBER: SWB-8LX

Temp Max: 130°C / 266°F

Pressure Pre-charge bar: 1.9 bar / 28 psi

Nominal Volume: 8 Liter / 2.11 Gallon

Connection: 0.75" BSPT (M)

Color: White

Pressure Max: 10 bar / 150 psi

Diameter: 20.2 cm / 7.9 in

Features & Benefits

  • High-temperature butyl diaphragm
  • Patented stainless steel water connection
  • High expansion volume factor
  • Dual layer polyurethane paint finish
  • Leak-free O-ring sealed air valve
  • Replaceable tank base
  • Comprehensive testing
  • Maintenance-free

Product Certifications

CE

Europe

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EAC

Russia

Downloads

SELL SHEET SOLARWAVE EN

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