Non-potable hydronic heating expansion tanks

HWB-35LX

The HeatWave™ Tank 35 liter / 9.25 gallon inline model is engineered for larger closed-loop hydronic heating systems requiring dependable performance. Its high-grade butyl diaphragm, chromed steel water connection, and brass air valve with O-ring sealing ensure durability and leak-free operation.

Featuring a Gray dual-layer polyurethane finish, this tank is designed to resist corrosion in demanding environments. With its ability to support pressures of up to 1 bar / 15 psi, the tank is ideal for medium to large-scale radiant heating applications. The 0.75" BSPT (c/w NPT) connection makes installation straightforward.

  • Closed loop heating circuits
  • Hydronic heating circuits

MODEL NUMBER: HWB-35LX

Temp Max: 99°C / 210.2°F

Pressure Pre-charge bar: 1 bar / 15 psi

Nominal Volume: 35 Liter / 9.25 Gallon

Connection: 0.75" BSPT (M)

Color: Gray

Pressure Max: 6 bar / 87 psi

Diameter: 31.8 cm / 12.5 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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Model number: SWB-35LX
SolarWave™ 35-liter / 9.25-gallon inline expansion tank with a 0.75" BSPT (c/w NPT) connection, pre-charged to 1.9 bar / 28 psi. Robust and reliable.

TEMP MAX: 130°C / 266°F

PRESSURE PRE-CHARGE BAR: 1.9 bar / 28 psi

NOMINAL VOLUME: 35 Liter / 9.25 Gallon

CONNECTION: 0.75" BSPT (M)

COLOR: White

PRESSURE MAX: 10 bar / 150 psi

DIAMETER: 31.8 cm / 12.5 in

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