Design Features

• Developed for professional installers
• Opto Thermo Combi tackles the classic combi challenge of unbalanced systems and seasonal fluctuations.

Product Features

• Opto Thermo Combi shower cartridges have been especially designed to harmonise with the individual output of differing boiler sizes - delivering a truly thermostatic performance no matter the make of boiler.
• Get the best from a combi boiler; choose Opto Thermo Combi
• Overcomes typical flow and seasonal temperature fluctuations
• True thermostatic performance
• Optimum boiler efficiency, no matter the manufacturer or output

Comes with

• Pre-fitted with flow regulator suitable for boiler output of 24kW (80,000 Btu)
• Two alternative flow regulators supplied for use with 30/35kW appliances
• 2 year manufacturer's guarantee
• Please note this is specifically for use with Combi systems.