Non-potable hydronic heating expansion tanks

HWB-2LX

The HeatWave™ Tank 2 liter / 0.53 gallon inline model is a compact yet highly durable solution for fluid expansion in closed-loop hydronic heating systems. Featuring a high-grade butyl diaphragm and a chromed steel water connection, it ensures long-lasting reliability. Its sealed brass air valve with an O-ring cap minimizes maintenance needs, making it ideal for smaller setups.

The Gray dual-layer polyurethane paint finish provides excellent resistance to corrosion, allowing for installation in a variety of environments. This inline tank, equipped with a 0.75" BSPT (c/w NPT) connection, supports pressures up to 0.7 bar / 10 psi, making it perfect for small-scale heating circuits.

  • Closed loop heating circuits
  • Hydronic heating circuits

MODEL NUMBER: HWB-2LX

Temp Max: 99°C / 210.2°F

Pressure Pre-charge bar: 0.7 bar / 10 psi

Nominal Volume: 2 Liter / 0.53 Gallon

Connection: 0.75" BSPT (M)

Color: Gray

Pressure Max: 6 bar / 87 psi

Diameter: 12.6 cm / 5 in

Features & Benefits

  • Leak-free O-ring sealed air valve
  • Dual layer polyurethane paint finish
  • High-grade butyl diaphragm design
  • Patented chromed steel water connection
  • Maintenance-free
  • Comprehensive testing

Product Certifications

CE

Europe

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EAC

Russia

Downloads

SELL SHEET HEATWAVE EN

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SolarWave™ 2-liter / 0.53-gallon inline expansion tank with a 0.75" BSPT (c/w NPT) connection, pre-charged to 1.9 bar / 28 psi. Lightweight and efficient.

TEMP MAX: 130°C / 266°F

PRESSURE PRE-CHARGE BAR: 1.9 bar / 28 psi

NOMINAL VOLUME: 2 Liter / 0.53 Gallon

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PRESSURE MAX: 10 bar / 150 psi

DIAMETER: 12.6 cm / 5 in

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