Discuss Finding the order in which radiators heat up in the USA area at PlumbersForums.net
If you have a two-pipe system that's been correctly sized they'll probably all come on with relatively little delay and you won't get much useful information.In order to find out the order in which radiators in the house heat up, would be possible to time the point at which heat is detected through either the flow or ruturn pipe on the radiator?
Its for balancing purposes. Instead of running around the house trying to find out which rad is heating up first, second etc I thought it would be simiar in principle if I timed each one. Then put the times in orderIf you have a two-pipe system that's been correctly sized they'll probably all come on with relatively little delay and you won't get much useful information.
If you are trying to trace pipework hidden behind/under expensive finishes I'd suggest you'll have better luck and more reliable results with a thermal camera (turn the flow temperature up to 11) and an endoscope.
It is similar in principle. In practice, unless you have bribed half a dozen kids to sit with their thumbs on the flow pipe in each room and shout out when it gets hot it'll be quite difficult to measure the times reliably enough to be sure you've got the order right.Its for balancing purposes. Instead of running around the house trying to find out which rad is heating up first, second etc I thought it would be simiar in principle if I timed each one. Then put the times in order
Hi thanksIt is similar in principle. In practice, unless you have bribed half a dozen kids to sit with their thumbs on the flow pipe in each room and shout out when it gets hot it'll be quite difficult to measure the times reliably enough to be sure you've got the order right.
OTOH, it's probably not that critical to get the order exactly right anyway.
Hi thanks, but found that all or most of the rads warmed up evenly. My issue is a myson kickspace plinth heater, return flow flexi completely blocked. Took it apart and cleaned through the flow and return flexis of the plinth heater.It is similar in principle. In practice, unless you have bribed half a dozen kids to sit with their thumbs on the flow pipe in each room and shout out when it gets hot it'll be quite difficult to measure the times reliably enough to be sure you've got the order right.
OTOH, it's probably not that critical to get the order exactly right anyway.
Washed it out thoroughly, however dient explain why the supply isn't getting to it, as it did before very hot but the return was blocked hence the draing and cleaning of the system including flexis.Are you certain the plinth heater itself is not blocked?
If you have service valves on heater take heater out and see if you have flow out of valves.
Are you certain the plinth heater itself is not blocked?
If you have service valves on heater take heater out and see if you have flow out of valves.
OK will try that. Is it worth leaving the lockshield positions as as they are (different settings) or should I open them all fully?You only need to turn of one valve each radiator so trvs only
What was the reason behind the cause if it wasn't air, so I know for next time, thanksJust turn them all back on
You may well have to do same again when you drain down and refill.
Should be no need to bleed rads unless they are cool at top.
Thanks very much.Who knows! air probably you now now how to clear if if needed next time
Hi can anyone confirm if the above would work?Thanks very much.
Regarding the final flush next week is it worth draining the system whilst the heating is on, with all valves (trvs and lockshields) fully open and toppingi up/maintain the water pressure to the boiler with the filling loop?
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