Non-potable hydronic heating expansion tanks

HWB-4LX

The HeatWave™ Tank 4 liter / 1.06 gallon inline model offers compact, reliable performance for closed-loop hydronic heating systems. With its high-grade butyl diaphragm and patented chromed steel water connection, this tank ensures efficient fluid expansion and long-lasting durability. The brass air valve, sealed with an O-ring, minimizes maintenance needs and prevents leaks.

Protected with a Gray dual-layer polyurethane finish, the tank is built to resist corrosion, making it suitable for both indoor and outdoor installations. Its 0.75" BSPT (c/w NPT) connection allows for easy integration into small-scale systems, while supporting pressures of up to 0.7 bar / 10 psi.

  • Closed loop heating circuits
  • Hydronic heating circuits

MODEL NUMBER: HWB-4LX

Temp Max: 99°C / 210.2°F

Pressure Pre-charge bar: 0.7 bar / 10 psi

Nominal Volume: 4 Liter / 1.06 Gallon

Connection: 0.75" BSPT (M)

Color: Gray

Pressure Max: 6 bar / 87 psi

Diameter: 16.2 cm / 6.4 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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