Click here to call us now


Duplex stainless steel tanks are now available!!!  Please click HERE to find out more. 

Commercial Hot Water Storage Tanks and Boiler Buffer Tanks

Stainless steel mains pressure storage tanks.

Boiler Buffer Tanks are available in no coil, single coil or double coil configuration.  

Hot Water Storage Tank sizes available in 200ltr, 300ltr, 400ltr and 500ltr.  

Key benefits to the Red Circle Solar stainless steel hot water storage tanks are:

  • Sacrificial anodes come standard.
  • Rubber feet to keep tank of the ground to eliminate the bottom of the tank from rusting.
  • 25mm ports to increase application options. 
  • 3 x sensor ports.
  • 2.4KW-4.8KW electric element boosting options.
  • 25mm Stainless steel heat exchange coil options. 
  • Drain port.
  • Ring main return port.



Tank technical specifications sheet.

Key benefits and features. 

Plumbing diagram for solar hot water.