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Is a small box up in the loft connected to mains (240v), not easy to get at. I have the cover, please see attached fotos. What sort of price do they go for? .... thanx ....nick

Hi, I have an old Telefone very loud Bell & want to connect it in place of the gate small bell (which I cannot hear). Please see attached foto below, it has 2 2" bells, silvery cylinder el. component 3" long, 2 electromagnets 2" long & 10 screw connectors for wires. It used to work untill...

Is this normal to have so hot rads?

Potterton Kingfisher M F 60 boiler, with an “OSO” Unvented Water heater. A thermometer on the bathroom Rad (which is always open for balancing???) when the CH is on reads 110dgrs F. This is boiling point. Should it be like this? The boiler temp. knob is turned a bit below the midle...

Will do that for certain. Had two more operating periods since & still OK. Not all went in vain though, at least I have eventually after many tries managed to construct the diagram of the system & learn a bit about it. What I did not grasp is terminology like "...switched live in & s.l...

Well Mr. Hailsham, Law & behold this morning it worked OK witout the nuisences I hade recently, like after the Auto shut it down on time, a few minutes later the boiler would fire & pump started running for ever untill I shut down everything. Today I set CM907 to carry out 3 cycles & after...

Been trying for hrs to connect on the net & just managed it. Lines full?? Well if connections are OK why then sudenly I cannot control the heating as before with the CM907. 1. I apologise for my mistake, but you may have read my last post before I made the Editing. Please have another look...

NOTE..NOTE..small EDITING wiring:- the second Black wire from "Boiler Term.Block" to No.10 should not be there. 10 only has 2 wires the Black from Boiler Term. Block & the Brown directly from the Pump. Drew everthing in the box this time but, TRIED, as I get crossyed in the small...

Will draw out all the wiring on Monday. As per average old system, the boiler had the old timer for CH & HW and it was remotely controlled by the Room stat in the hall at the other end of the bangalow. For our convenience I replaced this Satchwell R.Stat with the CM907 which worked for...

Thanks a lot, I will try to find about the rest of the wiring on Monday but, how could it work all these years & after the new boiler timer was pluged in the CM907 auto function fails to work.. As I said "........with the boiler timer set to start-stop CH, it only works if the RoomStat...

Thanx again, 3 L/H are Mains IN Managed to draw the wiring exactly as was originally & is now on this system. Nothing was touched since we moved here 3yrs ago, except when the new boiler programmer was pluged in. Terminal 9 takes the light Brown of 2 port valve. It also has a Black...

if the M.Valves wiring to wall J.Box is of any use here it is. Sorry cannot draw proper wiring diagrams, I only manage pictorials. thanx for the help .......nick

sorry but did not highlight, or meant to anything The old potterton standard timer its display failed, & do not make them any more, they have the full digital now as shown below. wall main junction box. Wiring by the PCB top of boiler. The left triple connector is from...

1. System (10-15 yrs old) came with 2 zone valves, maybe for OSO cyl. 2. connection to CM907, please see last 2 screen shots, from PL4 I think ?? but, in any case I used the same cables as the existing ones on the wall for the original RoomStat ie. Red to 1 & Yellow to 3 (AS I FOUND...

Thanx, 1. No wiring was touched, still as it was before. 2. Yes the new boiler timer is on constant 3. The room stat replacement is Honeywell CM907 7day Programmable room thermostat. 4. As mentioned above "....Recently this standard boiler timer went wrong...." 5. Yes it does...

Hi, Boiler Kingfisher Mf 60. With its standard boiler timer (KMFKITA) I had the CH to constant & used to control the boiler operation via a Honeywell Programmer Room Thermostat in the hall. Recently this standard boiler timer went wrong & I fitted the potterton boiler digital...

Hi, Boiler Kingfisher Mf 60. With its standard timer I had the CH to constant & used to control the boiler operation via a Honeywell Programmer Room Thermostat in the hall. Recently this standard timer went wrong & I fitted the potterton Programmer BP2000. Now this programmer seems...

Small 3-bed cottage has old Baxi gas boiler (type uknown). What would be a good similar boiler to fit? Is there such a thing as trouble free one? thanx ......nick

Hi, Potterrton Kingfisher Mf with OZO Hotwater Cylinder, S Plan. Suddenly no hot water out of the taps. C.Heating works fine, water pressure OK There is cold water coming out of the Hot Tap, instead of HOT. 1. Just noticed the CH. light in the controler lights up but, not the one...

Found this Honeywell CM907 Programmer Room Thermostat 7 Day (Wired) - (311400) to replace & pick up on two of the wires (#1 to B & #3 to A) of an existing wired room stat. http://www.vhsdirect.co.uk/site/product.cfm?id=26B19498-D7ED-E90F-63E883F5BC6404B0