Recent content by ian432

Thats a great help, thanks. I'd previously had a radiator in the cellar which never worked properly and I assumed its location was part of the problem. I am a bit fixated with pump on the return just before the injector tee, couple of feet from the boiler, as that's where most of diagrams...

Just swapped old non pumped rayburn royal that managed to heat DHW and 2 small rads as heat sinks. Now have much beefier 355 model so trying to design a system that will work with minimal interference to existing (upstairs) gravity fed tank and rads. Consulted all the usual channels My...