Thanks Tony,
Checked the selector switch again this morning and all is working fine??
CORGI Plumber called and suggested that as it was now working it should be left well alone, though he did suggest that it may be the PCB.
(this guy actually fitted the boiler together with all the domestic...
I have a combi. Chaffoteaux "Calydra aprox 6 yrs old.
the selector switch on the front of the boiler is switched to domestic HW but three days ago the central heatig operated with all the rads heating up and there was no domestic hot water from the taps or shower.
I have turned the boiler off...
Thanks Tony,
,though I have, in the past, installed a complete central heating sysem (checked out by a CORGI reg plumber) I have no intention of "fixing" this problem..my present interest is just accademic and it may be of interest to other board members. I will post on the correct section
I have a similar problem but with a chaffoteaux "Calydra" combi.
the selector switch (on front of boiler) has been on domestic hot water only, all summer. yesterday the central heating operated, heating all the radiators.
At the same time the domestic hot water was cold.
The boiler was of...
Just logged in and a great pic of shower unit (inside all look similar) but you must say what KW output the shower unit is. this then determines the size of cable required eg the old shower may have been a lower KW and required smaller cable..one assumes that the supply cable is still there and...