combustion

Hi. Servicing an old Boulters C2 /9or 8 pathfinder. The plate on the side suggest original set up for gas oil . The sticker on the burner suggest the same but has since been written over on pen 28sec.. Burner is an old Riello R40 G10. Written on the burner sticker is 170 psi . nozzle...

Hello. we have a Stanley 80 twin cooker with 2 burners in one for CH part, one for cooker part. I had it apart yesterday to clean out combustion chamber and noted that the blast tube on the CH burner had this white bloom on it. The boiler/cooker had a service nov 2015. Both burners on the cooker...