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an exhaust gas sensor continuously monitors the exhaust gas temperature
The advantages of the combination tabs lie in their versatile effect: they reliably disinfect
Whether flat or pitched roof
Air separator
At nominal heat output
defro firebrick stone 25kw boilers boiler accessories air conditioning heating ebayplus an exhaust gas sensor continuouslyOriginal 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
