Burner flue gas can be very hot. That is why we focused in particular on the durability of the MIWE eco:box. High-alloy V4A steels (for specialists: 1.4404) permit reliable continuous operation. A special immersion pickling increases the durability even further
If multiple burners are connected to a MIWE eco:box, the number of chimneys required (and your chimney sweep costs) are reduced accordingly.
With its large flue gas heat exchanger, the MIWE eco:box recovers up to 70% of the escaping flue gas heat as thermal energy (as hot water). If the recovered energy is used fully, the combined combustion efficiency of the system (oven + MIWE eco:box) is increased by approx. 9% – and even by up to 14 – 15% for central heating boilers. Incidentally, this results in pleasantly short payback times.
When water and great heat meet, the result is steam and high pressure. That was reason enough for our engineers to equip our MIWE eco:box with a sophisticated, 2-stage monitored bypass system. Your safety is of paramount importance to us.
Thanks to its compact design, MIWE eco:box can be installed quickly and easily in almost all space situations. The intelligent multi-nozzle system for the connections permits a wide range of different installation locations, depending on what is available on-site.
A robust exterior with high-gloss insulation protects against soiling and permanent deposits (and thus reduces the risk of burns). An integrated control thermostat on the circulating pump also automatically performs a complete cleaning of the interior.
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Suitable burner output in kW
Output power in kW
Length in cm
Width in cm
Height in cm
DN flue gas inlet
DN flue gas outlet
Number of oven connections
heating oil and natural gas
Housing and heat exchanger
Stainless steel VA4 (1.4404)