defro firebrick stone 25kw boilers boiler accessories air conditioning heating ebayplus Whether flat or pitched roof

Whether flat or pitched roof

For central heating boilers using wood

an exhaust gas sensor continuously monitors the exhaust gas temperature

this module offers the ideal opportunity to adapt your heating system to increasing demands

Exhaust gas temperature 84 °C

defro firebrick stone 25kw boilers boiler accessories air conditioning heating ebayplus Whether flat or pitched roofOriginal firebricks for Defro DS 20 and DS II 25 kW boilers optionally as individual units Primary stone, individual Secondary stone or as complete set With both stones. Optimal fit ideal for repair, replacement or maintenance. Highlights & Advantages Original Defro replacement firebrick high heat resistance and long service life Suitable for Defro DS 20 kW and DS II 25 kW boilers Individual purchase possible: Primary stone or secondary stone