Re system small water leaks, if the boiler manufacturer allows it, I've found Fernox F4 sealer a great help (sealed a fair sized under concrete floor leak). Might pay to check the expansion vessel and over pressure valve first.
Re Honeywell 3 way valve, they have an in-built quirk where the valve can stay in the radiators only position (with motor stalled) even when no radiators or hot water is demanded.
No wonder the motors don't last long! High time I drilled some cooling holes in the cover!
A bit early, best wishes to all on C4P for 2021.
|
