Strange zone valve and pump behaviour?
Strange zone valve and pump behaviour?
I have an S plan system and over the last few days i've noticed strange behaviour which I hope someone can help diagnose..
When the hot water comes on (typically on a timer), the h/w zone valve opens, the pump starts and then the boiler fires up.. after some time, with the hot water still 'on', the zone valve closes and the pump turns off. Then after some more time the zone valve reopens, the pump starts and the boiler fires up.. then the cycle just repeats.
What used to happen was that...
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by dpravo
This has been automatically posted in the DIYNot Forum on DIY Talk. The new DIY Forum
Strange zone valve and pump behaviour?
I have an S plan system and over the last few days i've noticed strange behaviour which I hope someone can help diagnose..
When the hot water comes on (typically on a timer), the h/w zone valve opens, the pump starts and then the boiler fires up.. after some time, with the hot water still 'on', the zone valve closes and the pump turns off. Then after some more time the zone valve reopens, the pump starts and the boiler fires up.. then the cycle just repeats.
What used to happen was that...
Read more
by dpravo
This has been automatically posted in the DIYNot Forum on DIY Talk. The new DIY Forum