Enameled domestic hot water exchanger for gas boilers and solar collectors OKC 300 NTRR/SOL with two spiral coils 121091301

• Models dedicated to power supply from solar collectors and a backup heat source (eg from a boiler or heater during the heating season) have two coils (upper 0.8-1.2 m2 and lower 0.8 m2) - the possibility of additional heating with an optional heater.
• Possibility to install an optional heater - TJ 6/4".
• Modern ThermoGen4 insulation ensures low heat loss to the environment.
• Increased resistance to hard and chlorinated water thanks to the high-quality anti-corrosion coating Crystal Enamel.
• Magnesium anode provides additional protection against corrosion.
• Flange connection, which is also the inspection opening of the container.