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Hi All, Thank you all for your posts. I have been led to believe that the exterior wall in question is a Lime mortar & render and as such I should replace it like for like to avoid damaging the stone with a mortar (containing cement) that is too hard & impermeable to water. I should have...

I need to repoint the stonework on my house and also apply a thin render. Two exterior walls are rubble walls with a mixture of red sandstone & a hard black impermeable stone (Schist?). I am intending to use a Lime mortar for re-pointing and for applying a thin render. As I have never done...

Lime Render & mortar

Thanks Guys. New nozzle fitted & boiler purring away :D

Thanks Boilerman2 & Burnerman. I had cleaned the gauze filter on the pump but did it again for good measure. I tried blowing out the nozzle & pipe with a footpump & now get a burn lasting a few seconds. I assume that you are right about renewing the nozzle. I just hope that this one won't get...

Stupidly, we have managed to drain our oil tank. Having had it re-filled, I have bled the system of air and cleaned the pump filter. I get a healthy flow of oil from the pump (having disconnected the pipe that feeds into the nozzle) but cannot get the burner to operate. The system was working...

pondering...