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The Duo FR is the entry-level filter in the SYR filter range
the system remains functional and delivers a constant energy supply – reliably and sustainably
Cleaning tools
The differential pressure bypass valve serves to maintain constant pump pressure in closed heating systems according to EN 12828 and simultaneously reduces disruptive flow noise
the system is characterized by maximum performance and operational reliability
hot water tank 100 liter smart heating element 2 kw with wifi Sensor The Duo FR is the100 liter domestic hot water storage tank ETWS with OWR1 SMART 2 kW heating element (WIFI) Product description of the hot water storage tank The ETWS 100 liter hot water storage tank is a central storage unit for the safe and efficient heating of domestic hot water. It is suitable for combination with solar thermal systems, boilers, or solid fuel heating systems and, with its internal heat exchanger, offers reliable hot water comfort for households.
