X1f25 3-port valve, flanged connections, PN16, DN25, kvs = 12 m3/h, dpmax = 600/1400/1600 kPa (mixing)

Key data to replacement product: VXF53.40-16, flanged connections, nodular cast iron, PN25, DN40, kvs = 16 m3/h, dpmax = 500/650/1200 kPa (mixing)

Info: Consider different dimensions of valve-actuator combination, verify if Additionally order adapter ALF41B40 for bypass needs to be ordered additionally
Replace actuator (20 mm stroke), adjust electrical connections and wiring. Attention: Higher kvs value, PN25.