This model looks and operates exactly as standard ST9000 models until the gas service is due at which point the predetermined action takes place. It is designed to be compatible with a wide range of heating systems, including gas boilers, electric heaters, and underfloor heating systems. If enabled, you may be able to obtain limited use of the boiler by pressing the "Extra Hour" button.

You will be asked to complete a simple online application, it's quick, easy and you'll get the decision within a matter of seconds. The service timer facility is a reminder on the display when a heating system service is due each year.The landlord, installer or service company can configure the Service Interval, the advance tenant notification period and how the controller will operate when the Service Interval has expired. With its robust construction and user-friendly interface, it is an ideal choice for both residential and commercial heating systems. Additionally, the LoT display can display a telephone number to make arranging a gas service even simpler. This feature ensures that the heating system operates efficiently and optimally, reducing energy wastage. If you find you have received the wrong item, you need to contact us within 7 days of receipt of goods.

This model looks and operates exactly as standard ST9000 models, until the gas service is due, at which point the predetermined action takes place. Think about how you use your domestic hot water – if you have a storage system, it is not necessary to have this switched on all the time, even when you are in the house. The Honeywell ST9100S Programmer is a unit that can be used for combi boilers, added zones or any application where small electric loads need switching. Most purchases from business sellers are protected by the Consumer Contract Regulations 2013 which give you the right to cancel the purchase within 14 days after the day you receive the item.

Energy Efficiency and the Environment Home energy use is responsible for more than ¼ of the total UK carbon emissions which contribute to climate change. This model is a 1 day timer with Service Interval reminder, and two on/off switchings times per day. In the evening, when the house is up to temperature, it is often possible to switch off the heating up to an hour before you go to bed, without any noticeable reduction in comfort.

The better your problem and question is described, the easier it is for other Honeywell owners to provide you with a good answer. For defective or damaged products, please contact us at the contact details below to arrange a refund or exchange. If you are concerned about possible frost damage to any exposed pipe work, it is advisable to fit a frost protection system – your installer can advise you about this. This unit can be used for combi boilers, added zones or any application where small electric loads need switching.Its robust construction ensures that it can withstand the rigors of daily use and provide reliable performance for years to come. This document is to be left with the user and forms part of a Home Information Pack WHAT IS A PROGRAMMER? This timer has holes to suit single switch boxes and a provision for surface wiring, providing flexibility and ease of installation. Overall, the Honeywell ST9100S is a reliable and efficient temperature controller that offers precise temperature control and easy programmability.