Honeywell ST9400A1002 1 Day, 2-Channel, 10 W, 24 V

Product Information

It can be used for combi boilers, heating zones or any application where small electric loads need switching. We have got no heating or hot water tried everything in manual, but I don't really understand it I need someone to explain in simple terms. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. They mention that it is easy to program and operate, changing the settings was delightfully easy, and that the controls are easy to read and set.

In conclusion, the Honeywell ST9400A temperature controller is a highly efficient and user-friendly solution for regulating heating and hot water systems in domestic premises.We're sorry but this product has now been discontinued by Honeywell Heating Supplies and can no longer be purchased. The temperature controller also incorporates a convenient timing function, allowing users to schedule heating and hot water periods in advance, ensuring comfort and convenience while minimizing energy usage during periods of low activity.

Heating and hot water systems based on boilers account for of this fi gure, so it is important to understand how your controls can help to maximize energy effi ciency while maintaining your comfort. So when it started to play up (The pump would come on but the boiler wouldn't trigger) I decided the controller had gone wrong (despite a plumber telling me it was just air in the heating system). T echnologies Sarl, Ecublens, Route du Bois 37, Switzerland by its Authorised Representative Honeywell Inc.The unit came with the time and date already set, it had also been programmed, so it was ready to go.

Choosing the right Honeywell Home Electronic Programmer 24 Hour ST9400A1002, is an important decision, and it's one we're sure to help you get right. If you are concerned about possible frost damage to any exposed pipe work, it is advisable to fi t a frost protection system – your installer can advise you about this. Getting the programmer onto the backplate was very fiddly and it took several attempts to get it on. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products.Just one niggle, when the display is lit by a clear blue sky during the day the display shows dark patches. They help us to identify popular products and understand your browsing habits so we can display relevant adverts to you.