Indirect solar heating expansion tanks

SWB-80LV

The SolarWave™ 80-liter / 21.13-gallon vertical expansion tank provides dependable thermal expansion control for medium to large solar heating systems. It features a high-temperature butyl diaphragm, patented stainless-steel water connection, and a replaceable tank base for long-lasting performance. The O-ring sealed brass air valve ensures leak-free operation.

Pre-charged to 1.9 bar / 28 psi and fitted with a 0.75" BSPT (c/w NPT) connection, this vertical tank is ideal for solar closed-loop and hydronic heating circuits. Its carbon steel shell, coated with dual-layer polyurethane paint, guarantees exceptional durability and resistance to corrosion, ensuring years of reliable service.

  • Solar closed loop circuits
  • Hydronic heating circuits

MODEL NUMBER: SWB-80LV

Temp Max: 130°C / 266°F

Pressure Pre-charge bar: 1.9 bar / 28 psi

Nominal Volume: 80 Liter / 21.13 Gallon

Connection: 0.75" BSPT (M)

Color: White

Pressure Max: 10 bar / 150 psi

Diameter: 38.9 cm / 15.3 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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HeatWave Tank - 80 liter / 21.13 gallon vertical, 1.5 bar / 22 psi, 0.75" BSPT (c/w NPT) connection, Gray finish. Designed for demanding heating applications.

TEMP MAX: 99°C / 210.2°F

PRESSURE PRE-CHARGE BAR: 1.5 bar / 22 psi

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COLOR: Gray

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DIAMETER: 38.9 cm / 15.3 in

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