Honeywell ST699 Programmer Product Code: 86588

Common timing. Minimum 5-wire installation.


  • 24 Hour Programmable
  • Digital Display
  • 1 or 2 On/Off Periods per Day
  • Suitable for Gravity-Fed & Fully Pumped Systems
  • 2 Wire Installation
  • Battery Back-Up
  • Battery Back-Up
  • 1 Year Guarantee


Switching/contact rating: SPDT 3(3)A. H x W x D: 100 x 45 x 100mm. Backplate fit: Unique. Suitable for underfloor heating.
Additional Information
Technical Specification
  • Brand : Honeywell
  • Product Height : 100 mm
  • Display Type : Digital Display
  • Product Type : Programmer
  • Programme Facility : 24 Hour Programmable
  • Zoning Level : One
  • Central Heating Control Type : Programmers
  • Model No : ST699
  • Product Width : 45 mm
  • Product Depth : 100 mm
  • Pack Size : 1
  • Switch Type : SPDT
  • Suitable System : Suitable for Gravity-Fed & Pumped Systems
  • Installation Type : 2-Wire Installation
  • Compatible Boiler Type : All Boilers
  • Manufacturer Guarantee : 1 Year Guarantee
  • Pieces in Pack/Case : 1
Product Contents
Delivery & Returns


Standard delivery service up to 3 working days: €8.95

Free delivery on all orders over €70.00

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Hopefully you won't need to return an item, however, if you do, it is our aim to make this as simple as possible. By following the guidance below you can help us to help you when a product is not what you expected, or is faulty. Your statutory rights are not affected by this guidance.


Click here to see information on returns and cancellation

€140.95 Incl. 23% VAT

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Honeywell ST699 Programmer is rated 4.1 out of 5 by 34.
Rated 5 out of 5 by from Simple replacement clock Direct replacement for an original Honeywell 24hr CH/HW clock which I had. Easy to install and a good quality robust clock as the last one worked perfectly for the last 28 years!
Date published: 2019-02-17
Rated 5 out of 5 by from Expensive and basic I use this programmer as a direct replacement. Honeywell products are robust hence the price, but this is a basic 24 hour version which is really easy to set up and use.
Date published: 2018-10-21
Rated 5 out of 5 by from Honeywell programmer I bought this 3 weeks ago and arrived with out hitch perfect
Date published: 2018-04-30
Rated 5 out of 5 by from Bought the Honeywell ST699 Had our central heating fitted in 1994 with the Honeywell ST699 one day programmer. Now 29th November 2017 it has stopped working. For some unknown reason its not switching the heating off. Bought the same programmer and fitted it myself it was so easy. I just took the old front off and placed the new one on, and that was it. Its working fine now. Therese to the next 23 years. Thank you Screw Fix.
Date published: 2017-12-01
Rated 1 out of 5 by from Blew up after two months this programmer is highly unreliable. it is expensive but blew up after two months in use.
Date published: 2017-09-30
Rated 5 out of 5 by from Honeywell ST699 Good basic easy to use product. Bought as a direct replacement.
Date published: 2016-12-23
Rated 5 out of 5 by from Quality item Honeywell have been in the electronics industry for many years and they know how to make quality products that are extremely reliable. This programmer replaced the same model that has been in constant use for over twenty years. It is easy to install,program and use. A little bit more expensive than other programmers but well worth it if it meets your requirements.
Date published: 2016-12-10
Rated 5 out of 5 by from ST699 review A good reliable product from Honeywell. A simple twin time controller for Heating & H/W. Simple to install and to setup. This controller been about for many years, had to change one last week, which was fitted 16+ years ago. Clicked out old and Clicked in new, backplate was identical, no changes to wiring required. Can not fault product for simplicity and reliability. A little more expensive compared to competition, but a few extra £'s for like for like and simple install, worth the extra + no retraining or revisit to customer.
Date published: 2016-12-03
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