Potable hot water expansion tanks

TWB-18LX

The ThermoWave™ 18-liter / 4.76-gallon inline expansion tank provides dependable thermal expansion control for potable water heating systems. It features a high-grade butyl diaphragm and virgin polypropylene liner for long-lasting safety and durability. The patented stainless-steel water connection ensures leak-free operation, while the O-ring sealed air valve eliminates maintenance needs.

Pre-charged to 1.9 bar / 28 psi and fitted with a 0.75" BSPT (c/w NPT) connection, this tank helps conserve water and energy by preventing venting of expanded water. Its carbon steel shell, protected by dual-layer polyurethane paint, ensures resistance to corrosion and wear, making it a reliable addition to any hot water system.

  • Stored hot water
  • Open loop potable hot water circuits
  • Potable hot water systems

MODEL NUMBER: TWB-18LX

Temp Max: 90°C / 194°F

Pressure Pre-charge bar: 1.9 bar / 28 psi

Nominal Volume: 18 Liter / 4.76 Gallon

Connection: 0.75" BSPT (M)

Color: Almond

Pressure Max: 10 bar / 150 psi

Diameter: 27.9 cm / 11 in

Features & Benefits

  • Leak-free O-ring sealed air valve
  • Dual layer polyurethane paint finish
  • High-grade butyl diaphragm design
  • Virgin polypropylene liner
  • Patented stainless steel water connection
  • Maintenance-free

Product Certifications

CE

Europe

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EAC

Russia

ACS

France

WQA

USA

WRAS

United Kingdom

Downloads

SELL SHEET THERMOWAVE EN

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