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I have a Sharp electronic organiser ZQ-770 which I bought years ago and I have found is still working. It can be used in conjunction with the Sundial Y or S Plan or as a stand alone device for room temperature control of a combi boiler system.Keep in mind that anyone can view public collections - they may also appear in recommendations and other places. It would have been a great thermostat with this oil boiler, however not very good with a gas modulating boiler as the switching off and on of the boiler messes up the way the boiler modulates so it runs less efficient than if a simple thermostat was used. Cannot remove transit bolts spanner snapped JA: I'm sorry to hear about the issue you're facing with your appliance. Finance is provided by PayPal Credit (a trading name of PayPal UK Ltd, Whittaker House, Whittaker Avenue, Richmond-Upon-Thames, Surrey, United Kingdom, TW9 1EH). I have a honeywell thermostat (HCW80) with a receiver and the boiler works fine for hot water but there is no central heating.

The stat is normally set to 20 deg but the boiler usually switches off before the room temp has reached that. If you’ve already done that, your item hasn’t arrived, or it’s not as described, you can report that to Etsy by opening a case. When i press the button on the reciever there is a green light for one second and the radiator sign comes up on the boiler. I tried to send the learning signal just by pressing the HCW80 button once, as well as pressing it for 5 seconds.

NOTE: This is for the stand only and does not include the controller that is shown for demonstration purposes only. If I turn the stat down to its lowest setting then up to a high setting and back to its normal setting all is OK again - the green light comes on, the boiler strikes up again and all is well for an hour or so. Hi everyone, I just need some help wiring from the old HC60NG relay and thermostat for the new T4 thermostat.

p>The NOW HE0089 or HE0118 Room Stat is a direct replacement for the Y6630D and Honeywell HCW80 thermostat models. As the red on the receiver is blinking in learning mode, and I press the button on the stat, it just keeps on blinking until the green light starts blinking as well at a slower rate. These devices do not use WiFi to communicate - it is RF but at a much lower frequency and an entirely different protocol. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Does this look like a thermostat/receiver problem where i need to replace or is this a bigger problem? The HONEYWELL HCW80 REPLACMENT STAT is a genuine, brand new Honeywell Heating Supplies product, covered by a Honeywell Heating Supplies manufacturer's guarantee.