Paulo83
Your reply is ill informed, as TVR's will still open in cold conditions this is why they are suppied with blank tops, where you remove the TVR and fit the blank enabling maintenance/removal etc.
Regards Bjbiker
No increasing the amount of water will not give more pressure. Check 1, size of pipe to bath min (22mm0 2, does it have any resrictions (ie, ball-o-fix valves) or lots of elbows 3, is any pipe work likely to air lock (high pints in loft etc) If all these are OK! then raising the tank will be the ans...
Osceli Your system needs balancing! you sat you have thermostatic radiator valves, the other valve is called a lock shield valve this is the one you need to turn down the radiator nearest the boiler needs to be shut them opened on more than about half a turn as you work away from boiler open L/Shiel...
Hi Lawrence, Power flushing is the most effective way of cleaning the system as you turn off all rads and flush one at time, there is also a tool available that attaches to a drill and vibartes the bottom of the rads dislodging sludge. Water in header tank may get warm, but make sure system isn't ov...
Hi
You should start by changing the emersion heater 'stat' as it is easy and cheap to do, if this dosen't work then change emersion heater.
Am also in SW London
Early TVRs had to be installed on the flow where as new ones are almost all flow or return.
If an older valve is fitted on the wrong side it could start tapping as it closes, test by turning heating on and see which pipe to rad gets hot first!
Hi
it sounds like your hot water is air locked, try putting hose pipe from cold tap to hot tap in bathroom, open hot tap first then cold (unless hose is clamped in place) get someone else to turn on shower, in hot only position.
Warning do not leave hose connected for to long
