caleffi double drain safety device pkb20 Do not operate the device

Do not operate the device in humid or potentially explosive environments

such as the double thermal relief valve

Maximum flow rate: 2

pipe length m 3/15 3/15 3/25 3/25 Maximum elevation difference m 10 10 10 10 Pre-filled pipe length m 5 5 5 5 additional amount of cold g/m 16 16 16 40 Dimensions (W x H x D) Inside mm 294x889x212 194x889x212 307x1013x221 325x1081x248 Outside mm 555x732x330 555x732x330 550x732x330 555x873x376 Target temperature range °C 16-30 16-30 16-30 16-30 Operating temperature range Cooling/Heating °C -15-50/-25-30 -15-50/-25-30 -15-50/-25-30 -15-50/-25-30 including remote control Infrared Infrared Infrared Infrared including mode Wi-Fi Wi-Fi Wi-Fi Wi-Fi includingBacteria filter SAF-OPWC4 SAF-OPWC4 SAF-OPWC4 SAF-OPWC4 including silver ion filter SAF-OPWS4 SAF-OPWS4 SAF-OPWS4 SAF-OPWS4 including cold plasma ionizer Yes Yes Yes Yes

caleffi double drain safety device pkb20 Do not operate the deviceCaleffi double thermal safety valve " opens at 90 100C Double thermal safety valve with built in refill for wood burning stoves and boilers with water jacket The double thermal relief valve is used as a safety device in heating systems with solid fuel heat generators. The device combines a thermal relief valve and a filling valve in a single unit, which are activated simultaneously with positive safety when controlled by a remote sensor. When the