caleffi double drain safety device hku40 This ensures that the measurement

This ensures that the measurement accuracy is maintained and the sensor operates reliably for many years

The CTF 851 immersion sleeve is made of robust stainless steel

Easy installation and long-lasting quality

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caleffi double drain safety device hku40 This ensures that the measurementCaleffi 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