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  • Cointra Optima COB-10B 10LTR LPG Water Heater

Non-pilot instant LPG water heater

Cointra Optima COB-10B

Power 17.9 Kw.

10.1 liters of water per minute.

Propane/butane gas. 30 mbar.

Gas consumption 1.58 kg per hour.

Up to 65 degrees Celcius.

Diameter flue pipe 110 mm.

Dimension 56 x 33 x 18 cm.

Automatic battery ignition.

Fitting Kit and Batteries Included

CE Approved

Made in Spain 



The OPTIMA heaters without pilot light offers high performance on sizes unthinkable until today. Their small size allows them to fit at any space, no matter how small. This unit will replace a Morco G11 water heater. To fit as a direct replacement for a Morco G11 you will need to fit the stand off brackets supplied to bring the Flue in line. Do not be put off by this as the benefits far out way the simple modification needed, bringing safety of no permanent flame, lower gas usage and far higher water temperature..

The reduced dimensions of the Optima heaters offer significant advantages to both users and installation profesionals.

Optimizing gas discharge
Their short height facilitates the installation of longer vertical discharge tubes thus optimizing the discharge of combustion products (PDC)

Installation in confined spaces
The size of these units, with the smallest depth at the market (129mm for 5l models and 181mm for 10l ) means they can be installed in small spaces.

Easy installation
Their small size contributes to a better handling, making it easier for the professional in installation of the unit


The Optima range is born to contribute, by its use, to reduce energy consumptions. The absence of pilot light at all models, together with these outputs will fulfill it:

- Electronic ignition by battery
- Flow selector
- Manual Power selector (between 50% and 100%)


The Optima range includes the most effective safety systems:
- Flame control by ionization
- Control unit of TTB gas discharge 
- Protection dispositive from overheating the heat exchanger
- Anti-freezing security:  are equipped with a hydraulic drain valve, with easy access, that allows to empty completely the unit in the event of an imminent freeze, preventing any damages.

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Cointra Optima COB-10B 10LTR LPG Water Heater

  • Product Code: 4088879
  • Availability: In Stock
  • £249.00

  • Ex Tax: £207.50

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