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Kev, Thats the first thing he said :lol: Regards.

Gents, I have finally got my tame Heating man in. He is suprised at the complexity of the installation....Thanks for your help....I will post back the results. Again, THANKYOU :lol: REGARDS.

Lever....All off...lever in center(ish)...CH thermo on and lever moves left to man position. System.....CW feed- cylinder- Lower pipe to boiler(tee to attic with one-way valve over header tank)- pump- 3 way valve- one to middle of cylinder.....one to CH. The circuit to and from the boiler...

When I switch on the pump the hot water goes down to the boiler, through the valve. Then I switch the CH thermostat up. the lever moves and the third pipe (CH) gets the hot water. I guess that means it is working. :?: PS. It is a Honeywell.

The spindle seems to move to the same arc as the lever. Tried a spanner but apart from that limited movement didn't dare force it too far. :)

Crossed lines. Yes, it turns that small distance by hand. It's only about 1/8 of a turn :?:

Sorry, I need an idiots guide to 'valve spindle' :roll: I have removed the 'actuator' and now see the spindle :!: Further.....I have now noticed that when the actuator is not screwed in position the lever travels it's full distance to the right(auto). I am still getting warm water to the...

Yes. :) When I switch on the lever moves from the center(ish) to the spot about 5mm from the left(manual position). Sorry, went to bed at 11.30. :roll: Regards.

Just been playing with the lever. It is on the left, by the retaining slot. It is about 5mm from the end. If I push it to the end it obviously engages the valve and returns that 5mm under the pressure of the valve. I have removed the oblong shaped cover revealing the electrical connections...

The lever moves freely, I can remember the action when it moves the valve and it isn't doing that!

Yes :)

Sorry Kev, I'm lost :oops: However there is a "three way" valve with a small sliding lever next to the cylinder.

Kev, I did that earlier to make sure it was running!

How?....Please.

Tried without pump running, but no change :cry: Retightened with pliers! Regards.

Kev, Will try that now, or at least when I have struggled up to the attic :roll:

No slot...no broken fingers nails.....just turn on demand :lol:

The pipes are vertical and end with a knurled (finger) screw which when turned releases water/air. Hope that makes sense? Regards. PS When all is left running the boiler fires up every 5 mins or so, but only for 30 secs.

Help Please? Glow worm Fuelsaver mk11. System 10 years plus. In the attic is a pipe terminating with a one-way valve over the expansion tank. When first installed it used to let air in and all stopped. The answer was to seal it with a plastic bag. IT WORKED! Last week the bag was bulging...