Neil wrote in news:fqadv5t18fu7acoh04vuqcvsrtn629q86s@
4ax.com:

Hi,

I have a problem with the radiators being hot when the hot water only
option is selected.

I have taken the motor assembly off the diverter valve to expose the
shaft as i suspected the valve had jammed.

Grasping it with the mole grips it seems very free between 1130 and
1230 on the clock, if you see what I mean....it rotates about 20
degrees, but then its solid in either direction. This isn't right is
it ? Should it go right round 360? 180?

I don't want to force it.


Neil

The ammount of movement you have is correct.

The inside is a rubber ball that goes side to side to block each port in
turn or stay in mid position leaving both ports open.

Do not try to turn any more that it does now.

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