This product is the Honeywell Home Evohome Hot Water Kit.evohome hot water kit.

The Honeywell Home evohome Hot Water Kit provides the user with the ability to add stored hot water control of vented or unvented cylinders to any evohome system. Once you bind the evohome Hot Water Kit to the the evohome Controller, the evohome Controller displays the exact temperature of the stored hot water on the screen. It also allows you to view the set hot water schedule and override the hot water instantly should you want to. Just the same as heating, you can also control your hot water from your Smart Phone or Tablet using the Total Connect Comfort App.It operates on 2xAA alkaline batteries, giving a battery life of at least 2 years under typical operating conditions and usage.The Honeywell Home evohome Hot Water Kit features are:

Main product features:

• cylinder stat & insertion sensor
• battery operated
• CS92A set and controlled by the evohome Controller
• Can be fitted on new and existing systems