viadrus u22 and u32 fire nozzle for tertiary air supply mpn_missing the Defro Evopell is the

the Defro Evopell is the perfect choice

you always have an overview of all activated heating circuits and can control them precisely

2" It impresses with its efficiency and reliable heat supply

How does the HG variant differ from the standard EU-81 zPID

Long lifespan and robust materials

viadrus u22 and u32 fire nozzle for tertiary air supply mpn_missing the Defro Evopell is theViadrus U22 and U32 fireclay nozzle for tertiary air supply Viadrus U22 and U32 fireclay nozzle Compatible with the cast iron boilers: Viadrus U22 and U32 Why does fireclay deteriorate over time? Due to its high mineral content, fireclay also has a slight disadvantage: It is relatively brittle. Due to prolonged exposure to high heat, it will eventually develop cracks. These are initial signs of wear and tear on the material, but not yet a reason for