Duplex tanks

Duplex stainless steel tanks. Built to last.

Exegi 500 litre duplex stainless steel tank being heated with a Reclaim CO2 Heat pump

Duplex stainless steel tanks are built to last and will outperform any other product on the market.

Do you want a solar hot water system that will last and will be compatible with any future technology?

Why are our tanks Better?

We only make our tanks using 2205 Duplex stainless steel because it is the best material available.

  • Made from the best quality Duplex stainless steel available.
  • All ports in one 1/4 of the tank to enable corner installations.
  • Industry leading heat loss due to superior spray foam insulation.
  • Tank sits on rubber feet to stop excess heat loss and also protect the outer case from degrading due to to moisture.
  • Multiple port locations and over sized ports to allow for larger applications and future upgrades to supply pipe sizes.
  • Drain port as standard to enable proper draining of the tank during servicing.
  • 3 removable sensor ports for increased applications and accurate temperature readings.
  • Air vent on top of the tank for easy bleeding during commissioning and also enables tank to be used as an open vented buffer tank.
  • Suitable with any heat source including solar thermal, Heat pumps, wood boilers, gas boilers and also comes with a back up element if needed.
  • 15 year warranty.
  • Competitive and fair pricing.

Stainless steel grades explained.

Duplex stainless steel has excellent rust resistant properties along with double the strength of 316L making it the perfect material for hot water storage tanks.  

Exegi Duplex stainless steel tanks specifications.

Designing the best solar hot water system, no matter what renewable technology you are using to heat you water must start with choosing the right storage tank for the job.

200 ltr tanks

Exegi DX0 200 litre stainless steel tank technical specifications showing port locations, port heights and total dimensions.
200Ltr No coil tank
Exegi DX1 200 litre single coil stainless steel tank technical specifications showing port locations, port heights and total dimensions.
200Ltr 1 coil tank
Exegi DX2 200 litre Twin coil stainless steel tank technical specifications showing port locations, port heights and total dimensions.
200Ltr 2 coil tank

300 ltr tanks

Exegi DX0 300 litre stainless steel tank technical specifications showing port locations, port heights and total dimensions.
300ltr No coil tank
Exegi DX1 300 litre single coil stainless steel tank technical specifications showing port locations, port heights and total dimensions.
300Ltr 1 coil tank
Exegi DX2 300 litre Twin coil stainless steel tank technical specifications showing port locations, port heights and total dimensions.
300Ltr 2 coil tank

400 ltr tanks

Exegi DX0 400 litre stainless steel tank technical specifications showing port locations, port heights and total dimensions.
400Ltr no coil tank
Exegi DX1 300 litre single coil stainless steel tank technical specifications showing port locations, port heights and total dimensions.
400Ltr 1 coil tank
Exegi DX2 400 litre Twin coil stainless steel tank technical specifications showing port locations, port heights and total dimensions.
400Ltr 2 coil tank

500 ltr tanks

Exegi DX0 500 litre stainless steel tank technical specifications showing port locations, port heights and total dimensions.
500Ltr no coil tank
Exegi DX1 500 litre single coil stainless steel tank technical specifications showing port locations, port heights and total dimensions.
500Ltr 1 coil tank
Exegi DX2 500 litre Twin coil stainless steel tank technical specifications showing port locations, port heights and total dimensions.
500Ltr 2 coil tank

Custom tanks also available.