Recent content by smedlyn

I got the guy's name from the OFTEC website, so I presumed he'd know his stuff about oil boilers. Perhaps I'll need to look elsewhere. It's an HRM Wallstar 20/25 standard boiler - are they known for air intake problems? Is there an internal part that deals with this function that is prone to...

Hi - my 3 yr old oil boiler has just begun to give out a great plume of black smoke from the top outlet. It seems like there's not enough air getting to the fuel, but that's just my guess. Have had a guy out to it, who has looked at every component, fitted a new nozzle, tested the oil pressure...