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by Leonard Williamson
Mon Nov 26, 2007 5:53 pm
Forum: Electrics Forum
Topic: Spur to Central heating boiler
Replies: 2
Views: 3696

spur is ok off the ring main,install 3 amp fuse in spur,and 3-core cable from spur to boiler,assume you have used 2.5 mm cable from ring main to new spur.
by Leonard Williamson
Mon Nov 26, 2007 5:45 pm
Forum: Electrics Forum
Topic: help connecting bathroom wires to new light fitting
Replies: 1
Views: 3104

bathroom light cablel

if you seperate all the cables (switch off supply before} with a mains tester and now with the mains back on test between all the reds to an earth cable,one of the reds will be live,you then need to identify the switch wire from the looped feeds,this can be done with a continuity test,connect the lo...
by Leonard Williamson
Sun Nov 25, 2007 5:13 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: worcester bosch 28si
Replies: 0
Views: 2998

worcester bosch 28si

Hi, can anyone help,my boiler has been losing temp control,i.e going over 3 bars on pressure gauge,with the result that the central heating water is discharging out of the pressure relief valve outside the house,which results in me having to top up all the time,I have turned down temperature control...
by Leonard Williamson
Sat Nov 24, 2007 4:37 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: primary sensor worcester bosch 28si
Replies: 0
Views: 3479

primary sensor worcester bosch 28si

does anyone know if primary sensor is n/o or n/c when boiler is cold,i.e.not up to temp,thanks, Len.
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