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Originally Posted by wild_andy_c  Yep - it gets as technical as that!!! And disconnecting the pipe from the pump outlet every minute for hours as you bleed it. |
There are ways and means to get the system to bleed itself without requiring disconnecting anything. A few things help though: A filler tube, a T connector and a bleed valve at the highest points in the system. Put the filler tube on the suction side of the pump, and the T connector with the bleed valve on t'otherside. Filling such a system is via the filler tube with the bleed valve open (Mind you, a funnel helps). Once the system is full and sealed, running the pump tends to dislodge air into bleed valve, where it's easy to get rid of.
Strangely enough, you'll find this is pretty close to what most pressurised central heating systems use.
