caleffi double drain safety device pkb20 Do not operate the device

Do not operate the device in humid or potentially explosive environments

there is a manual pump control available

Package contents

Important role of the lambda sensor

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