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Honeywell Smartfit - hot water running when it shouldn't

View the thread, titled "Honeywell Smartfit - hot water running when it shouldn't" which is posted in Bathroom Advice on UK Plumbers Forums.

S

SandLake

I have a Honeywell Smartfit S Plan system. I have discovered that the HW runs even if the programmer is off. I tried to disconnect the actuator but that just comes up as a fault.

Any ideas as to how I can find out why the HW is running.
 
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Get in touch with Honeywell. These things run on relays and all sorts of wicth craft. Or replace it with a hard wired system, you can end up replacing more than it cost to renew.
 
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