caleffi double drain safety device pkb20 such as the double thermal

such as the double thermal relief valve

6 m³/h or 3

Important role of the lambda sensor

Maximum flow rate: 2

Package contents

caleffi double drain safety device pkb20 such as the double thermalCaleffi 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