Central heating header tank
In an open-vented system, anyone know how much water is used, by
evaporation from the tank, if any? level in my tank dropping slightly, maybe slight lk somewhere I suspect. |
Central heating header tank
In an earlier contribution to this discussion,
4square wrote: In an open-vented system, anyone know how much water is used, by evaporation from the tank, if any? level in my tank dropping slightly, maybe slight lk somewhere I suspect. At what rate are you using water - in litres per week, or whatever? Is there not a ballvalve which automatically tops up the tank? -- Cheers, Roger ______ Email address maintained for newsgroup use only, and not regularly monitored.. Messages sent to it may not be read for several weeks. PLEASE REPLY TO NEWSGROUP! |
Central heating header tank
If your level is dropping your ball valve is probably siezed.
Usually there is so little flow that it locks up in the closed position after a year or so and then the header tank slowly empties. Try waggling the ball valve to confirm that water comes in when you press the ball down and then stops when you release it (wouldn't want a sticky valve to stick open). "4square" wrote in message ... In an open-vented system, anyone know how much water is used, by evaporation from the tank, if any? level in my tank dropping slightly, maybe slight lk somewhere I suspect. |
Central heating header tank
In article
, 4square wrote: In an open-vented system, anyone know how much water is used, by evaporation from the tank, if any? level in my tank dropping slightly, maybe slight lk somewhere I suspect. Servowarm used to fit open systems with no water supply the tank. You had to top up with a bucket when needed. Usually every few years. When mine was open vented I used to turn off the cold water supply to the ball valve - in case of a leak or whatever when away. Don't think I ever had to top it up between inhibitor changes etc which required a drain down. -- *If a turtle doesn't have a shell, is he homeless or naked? Dave Plowman London SW To e-mail, change noise into sound. |
Central heating header tank
Dave Plowman (News) wrote:
In article , 4square wrote: In an open-vented system, anyone know how much water is used, by evaporation from the tank, if any? level in my tank dropping slightly, maybe slight lk somewhere I suspect. Servowarm used to fit open systems with no water supply the tank. You had to top up with a bucket when needed. Usually every few years. When mine was open vented I used to turn off the cold water supply to the ball valve - in case of a leak or whatever when away. Don't think I ever had to top it up between inhibitor changes etc which required a drain down. How often should inhibitor be changed? |
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