Front view of the H3747 smart programmer showcasing the interface and Bluetooth-enabled design.

Photo is representative

Timeclock 4 Channel Digital Bluetooth Enabled

The H3747 is a versatile 4-channel smart programmer compatible with combi and system boilers, heat pumps, and wired thermostats. It offers Bluetooth connectivity out of the box, with optional Wi-Fi for remote access, and is designed for easy retrofits with a standard 9-pin backplate. Ideal for modernizing heating systems, it features Boiler Plus compliance, optimum start/stop, and load compensation for enhanced efficiency.

Stock Code: H3747

Online:

2 available
Price 172.73 £
incl. VAT, 20% priced individually

Product Features

SKU H3747
Channels 4
Backplate 9-Pin
Operation Volts Free
Mobile App Android and iOS
Compatibility Combi Boiler, System Boiler, Gas or Oil-Fired Boiler-Based Heating Systems
Local Control Yes
Local Override Yes
Remote Control Yes
Load Compensation Yes
Optimum Start and Stop Yes
Service Interval Reminder Yes