Simple installation and reliability giving you complete control of your heating and hot water when best suits you and helping manage and lower costs. The ES2247B is a twin channel two zone programmer suitable to control your central heating and hot water independently of each other.

The ES3247B is a top of the range three channel programmer, offering three completely independent time controlled channels.ESi Controls firmly believes that taking control of energy systems offers numerous benefits, including a wide range of options, a focus on quality and reliability, and the peace of mind that comes with choosing an ESi product. The new range of programmers hold a 3 year guarantee for consumer and installer peace of mind and are focused on value, quality and simplicity, offering an economical and durable solution for households. At ESi we provide an extensive selection of products to help you lower your energy use and reduce bills. As this information is anonymised and aggregated it cannot be used to identify any individual user actions. This programmer comes with a 3 year guarantee for consumer and installer peace of mind and are focused on value, quality and simplicity, offering an economical and durable solution for households.

The programmer can be configured for 24 hour, 5/2 day or 7 day operation, with the flexibility of up to three on/off timings per day. It also boasts the flexibility of two or three on/off timings per day and can be configured for 7 day, 5/2 day or 24 hour operaton for independent channels.If you do not give permission you may continue to use this site and only essential cookies will be set. It is an ideal solution for combi-boilers, for systems having a common Heating and Hot Water zone, and for the control of additional heating zones.

ES3247B also features a ‘Holiday’ button allowing the user to switch off their heating for a specified number of days (1 to 99) while they are away from home. The time switch can be configured for 7 day, 5/2 day or 24 hour operation for independent channels (all within the one unit). The ES3247B is our top of the range three channel programmer, offering three completely independent time controlled channels.The blue back light on the programmer can be switched permanently on or off, depending on the user’s preference. The ESi range of programmers are designed with simplicity for the user in mind whilst offering flexibility and reliability. During installation, the installer selects 24 hour, or 5 day/ 2day, or 7 day programming and 2 or 3 on/off periods per day, via a 4 position DIP switch on the back of the unit (see installation instructions).