Morning all
Hoping someone can help me shed some light on the cause of the corrosion on this stretch of central heating pipe, and advise if it urgently needs replacing?
Cheers
Thanks all. Point taken about the AAV, will pop a manual on instead.
The immersion heater on the tank isn't connected at the moment, so I'm not too worried about things getting too hot :)
Thanks! To be honest this is hopefully just a stop-gap for a couple of years before we make the switch to an unvented system, so can't justify the cost of a ST pump.
Evening, hope everyone's well.
I'm not a plumber at all, but I've worked on aircraft hydraulic systems for several years, so know my leftie loosies from my righty tighties.
First let me set the scene. Large bungalow with a standard gravity fed HW system heated by an oil fired boiler. Mains...