Recent content by Bydandforaye

My thanks to all those who responded so quickly. I will check if the system is over pumping and start planning on removing the air separator in the summer.

I have a conventional open vented heating system with a Potterton CF boiler feeding both central heating and domestic hot water. My problem is that the Myson air separator clogs up with brown paste every two years approximately. The symptoms are extended running of the pump and increased...