12L Constant Temperature
Gas Geyser


Multiple use application geyser (run multiple outlets simultaneously)

The smart Dewhot 12L Constant Temperature Gas Geyser automatically adjusts itself to the water flow. With multiple outlets running simultaneously your water temperature will always remain hot and constant regardless of the water demand.

For outdoor use under a cover with flue or indoor use with a flue




  • Requires no electricity - flame ignition and geyser function are battery operated
  • Touch button temperature control
  • 84% energy efficiency
  • Gas efficient- reduces gas consumption according to flow demand
  • Compatible with mixer taps
  • Start up and geyser function operate on low water pressure
  • Ventilation is required indoors
  • Anti-freeze function
  • Natural or LP gas compatible
  • Flame failure safety device
Error Codes Instruction Manual

Technical Specifications

Max gas pressure
2.8 kPa
Max gas consumption
1.44 Kg / hour
Rated Input
24 Kw
Water pressure
25-500 kPa
Water Output (min/max)
3L-12L / min
Unit weight
9.6 Kg
Packaged weight
11.2 Kg
Unit size
675 x 345 x 180 mm
Packaged size
710 x 400 x 240 mm
Gas Type

Accessories for the ND12CTDH

Need more information - watch our videos

How to choose your type of Gas geyser

Basic Gas Geyser Trouble Shooting

Setting the Temperature on your Gas Geyser