caleffi double drain safety device hku40 The CTF 851 immersion sleeve

The CTF 851 immersion sleeve is made of robust stainless steel

ceramic plate for the Defro Optima Comfort Plus 3

Easy installation and long-lasting quality

The module features an integrated web server for local access without internet access

The Defro Kombi-Komfort Ekopell offers a lucrative price-performance ratio that has already convinced many customers

caleffi double drain safety device hku40 The CTF 851 immersion sleeveCaleffi 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