Honeywell ST699

17 discussions on HomeOwnersHub about the Honeywell ST699: what owners asked, what went wrong, and what fixed it.

What owners report

Advice sought on replacing a central heating timer

Hello and Happy New Year!Just before the Festive Season we had a power cut and our HoneywellST699 central heating timer reset itself. I imagine there is an oldNiCad battery in there which has popped its clogs. I am thinking thatthis would...

HELP! Honeywell ST699 programmer wont turn off

i have one of these problem is it wont turn off, even when the switches are in the offposition.The lights stay on and the boiler is constantly running.Can it be repaired? Or would a replacement solve the issue?Close to tears right now, im...

Central heating wiring

As part of putting this shower in, I had to disconnect thecentral heating controller to rethread the wiring. I carefullynoted down what colour wire went where in the wiringbox. On coming to connect it back up, I discover it hastwo black...

Single Gang Timeswitch

Anybody know of a single gang hardwired time switch that has apermenant on function? I've found some, eg FST11A but not one with apermenant on.

REQ: Advice on replacing a CH and Hot Water programmer

Hi All,I've just moved into a house that has a "Glow worm - economy plus"boiler (in the kitchen), it also has a controller (in the kitchen -see below for more details) and a temperature control (in the lounge).I'd like to replace the...

Tthermostat/timer controller switch wiring question

Good afternoon all,for a particular application I am looking for a combined central heating digital timer-controller/thermostat unit (wall-mounted), preferably mains-powered although I would consider one of those handy roving...

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