Boiler control - Can anyone make sense of this?

As sort of metioned above its a fully pumped system but not an S-Plan (yet).

Take out the tapstat to the left of the magnaclean.
Put a Honeywell 2-port in its place.
Strap a cylinder stat to..the cylinder (chop through the foam)
Get a wiring center and use a Honeywell wiring guide for an S-plan. Tidy up the electrics.
Fit the Hive.
Job done :)

BTW. Theres nothing wrong with the type of system he has...Its just how they were done way back then. I've seen a lot poorer over the years!

Mick
 
OK, so I thought I'd update this in the hopes it'll be useful to someone else. I got muy local plumber round and asked for advice/quotes. The upshot is:
* To convert it to an S-Plan (basically following the info FlyingFish provided above) including hiring a sparky to run a new line down from the new valve etc = £390.
* To fit a combi (inc new 22mm gas line from the meter, running hot and cold water feeds from across the kitchen to the boiler (in the utility room), running a condensate drain to the nearest drain, remove of header tanks, cylinder etc) with a wireless thermostat, 7 year warranty and new electrics = £3375.

Given that the boiler is very old (frankly, I'm amazed it's lasted this long) and I'd rather like to remove the opportunity for several hundred gallons of water to pour through my ceilings, we're getting a combi fitted.

Thanks for your help & advice everyone. :)
 
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