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Oops double post.

Boo hoo spend the last 3 weeks researching boilers every day and decided on the W200 and still didn't catch on to the WB2C so ended up with the WB2B even after all my research. So question is have I lost out big style financially as I want to upgrade the WB2B controls to weather comp...

Hey guys only used 96 L and 1 as I had wired the wireless receiver to a standard plug previously and not used live connections from the boiler. Looks like I'm going to invest in weather comp controls sooner rather than later as I had a couple of incidents where the temp has been achieved on...

Whats the difference between the WB2B and the WB2C. Cheers.

Cheers mate thought it might be the same connections as the last boiler but needed to be sure.

Would like to use my old wireless thermostat on my new Viessmann 200W boiler until I sort out weather compensation. Pics below show the wireless thermostat connections on the left and on the right the Viessmann boiler connections. Any help greatly appreciated.

Thanks guys up and running. :)

Cheers dude will give it a go tomorrow hopefully nothing will go pop.

Lol yep I'm stuck hehehe OK looked through the manual and found this:- The appliance may be used with any certified mains voltage room thermostat as described is section 4. Section 4 details are :- If a room thermostat is to be used, remove the link between terminals 1 and 2 and...

Second pic on first post mate is the thermostat wiring but I've attached it again. Cheers

Additional wiring diagrams attached. Hopefully they will be of use.

Yes mate just edited my post to highlight this.

Yes mate just died - no display, replaced the batteries -no joy then replaced the stats and everything back to normal.

Cheers mate last two were Drayton's :cry: Is that terminals 3 and 4 for volt free operation or terminal 3 (live) and terminal 4 (heat on) where terminals 2 and 3 are linked? Cheers.