Cointra OPTIMA Cob 11Db with no pilot light, offer great performance at a small size and its small size will enable it to fit in to many small spaces. Cointra Heaters Optima Cob 11Db small size and low height enables you to apply long vertical flue pipes to enable optimal evacuation of exhaust gases. Cointra Water Heaters  Optima COB-11 is sold with accessories such as two stainless steel water hoses, batteries, connection adapters, water connections and a mounting set. The instantaneous water heater may only be installed in ordinarily ventilated spaces with a flue pipe evacuating exhaust gases outdoor. Installled by a Gas Safe Qualified engineer to comply with the warranty. The battery operated ignition switches on as soon as water flows through the unit. This means no pilot light. The instantaneous water heaters are completely safe and admitted in the whole of Europe.


  • Digitale display
  • Minimum water pressure 0,6 mbar
  • Propane/butane gas. 30 mbar
  • Up to 65 degrees Celcius
  • Gas consumption 1.65 kg per hour

Cointra Cob 11 Db

  • IMPORTANT INFORMATION: For Warranty to be compliant, this appliance must be installed by a Gas Safe Lpg registered engineer. This water heater is intended for use in a static caravan. For safety reasons, Discount Water Heaters Ltd cannot accept returns once the clear plastic packaging has been opened.