caleffi doppelte ablaufsicherung Vaillant Real-time clock and date

Real-time clock and date

the use of fossil fuels is minimized

The Attack damper actuator is controlled by a standard control signal in the range of 0 to 10 V DC

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TECH EU-81 zPID heating controller

caleffi doppelte ablaufsicherung Vaillant Real-time clock and dateCaleffi 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