Defro S3P Heizkesselsteuerung für Defro Optima Komfort Plus 3,9 kW slz 8 Lower temperature range of

8 Lower temperature range of the source (air) from -30 to 43 °C from -30 to 43 °C from -30 to 43 °C from -30 to 43 °C max

1 x flue connection

Don't wait until your heating system's performance declines

Thanks to its versatile applications

Service life approx

Defro S3P Heizkesselsteuerung für Defro Optima Komfort Plus 3,9 kW slz 8 Lower temperature range ofDefro S3P Boiler Controller Intelligent Control for Efficient Heat The Defro S3P boiler controller is the ideal addition for boilers of the type Defro Optima Komfort Plus. With a power range of 3. 9 kW to 35 kW, it provides comprehensive and precise control specifically designed for the requirements of modern heating systems. Thanks to innovative technologies, the controller ensures maximum efficiency and comfort in your home. Advanced Functions for