Not sure of pump type but definitely running on both programmes
Two two port motorised valves
The builder added a new drain off valve but when emptying the system did not drain off the old existing drain off valve. He did not flush the system and did not add an inhibitor
Do not know...
Many thanks for your reply SOFTUS it is much appreciated.
Can I get back to you tommorrow evening as I have to get up for work at 5-30 am and must really be getting off to bed.
Thanks again and Goodnight
Best regards
CHRISWAG
OK They fitted TRVs to all radiators except one.
They relocated the room stat.
They fiitted two new radiators.
They increased the pipework by approximately 30 feet with a plastic type.
They did not touch the programmer.
The guy who did most of the job has been back and tried to find...
Yes they fitted TRVs to all but one radiator and moved the room stat to a new location. The electrician has rechecked the wiring connection s for me and all are correct. My gut feeling is that it may be caused by an airlock as there are some strange noises coming from the sysem for eg bubbling...
Prior to the addition of the extra radiators the central heating always took priority over the hot water system. So basically in the morning the radiators do not get hot until the hot water has reached its temperature from the hot water cylinder stat. As soon as the hot water motorised valve...
Recently have had added two extra radiators to a single pipe system. Since then the hot water takes priority over the central heating but if I switch off hot water the central heating gets hot. Both systems work fine independently. I am also getting lots of unusal sounds banging, water hammer...