Secure (Horstmann) PTD Display Only

The new C1727 is a receiver / PTD unit (1 or 2 channels) which can control combi or system boilers. Out of the box it is wireless enabled and can be controlled by an app. With the optional Wi-Fi ..

The new H3747 is a receiver / PTD unit (for managing up to 4 channels) which can control combi or system boilers. Out of the box it is wireless enabled and can be operated by an app. With the optional..

The new C1727 is a receiver / PTD unit (1 or 2 channels) which can control combi or system boilers. Complete with the Wi-Fi adapter, it can fully control your heating system outside of the home v..

The new H3747 is a receiver / PTD unit (for managing up to 4 channels) which can control combi or system boilers. Out of the box it is wireless enabled and can be operated by an app. With the included..