Back to the range

Domestic ASME thermal expansion tanks without heater (hot water)

Domestic ASME thermal expansion tanks (hot water)
STA Model
Available in 24″ to 144″ diameters
With water (w) or vapor (v) tubular exchanger or electric coil heater and pre-wired control panel


  • Built according to ASME code, SECTION VIII, DIV.1
  • Compliant with CSA B.51 standards
  • Exterior finish: solvent-based cleaning process + application of grey topcoat
  • Made of carbon or stainless steel
  • 125psi (862KPa), 150 psi (1,034KPa) + 200 psi (1,379KPa) models or more ‒ on request
  • Replaceable anodes
  • Certified by CSA for NSF/ANSI 61 & 372


– Cement-based water-repellent 20 mm (3/4″) thick paint finish
– Steel saddles for horizontal “floor-mount” setups


Hydronic Radiant Floor Heating & Snow Melting