Key Features

• Smart White Sleek Design
• 4 Channel Programming
• Bluetooth Installer and User App
• Wall Mounted
• IP30 Rating
• Can Control Combi or System Boilers
• Backlight
• Battery Back Up
• BEAB Compliance
• 50 Hz Frequency
• 230 Voltage
• 3A Current Rating
• 3A Volt Free Operation
• Optional Wi-Fi Adapter
• Warranty: 7 Years

What's Included

• Smart programmer
• Receiver

Secure 4-Channel Smart Programmer with Receiver - H3747 Overview

The Secure 4-Channel Smart Programmer with Receiver - H3747 is wireless enabled and can be controlled by an app suitable to control combi or system boilers. The programmer is suitable for controlling your heating and hot water or up to four heating zones. It's compatible with a 9 pin backplate.

Programs and Settings

It has a load compensation algorithm which significantly improves boiler efficiency by preventing short-cycling and overshooting of temperature when used with a programmable thermostat display.

The Secure H3747 can be wall mounted and can control combi or system boilers.