4121 wall mounted digital control
4121 wall mounted digital control

4121 wall mounted digital control overview

Our 4121 digital boiler control, for use with our GB162 boiler, enables you to have optimum control of your heating system.

The 4121 comes supplied with a digital programmer which provides external weather compensation.

Features & Benefits

Optimum control of your GB162 heating system
Comes supplied with a digital programmer
Can control one mixed and one unmixed heating circuits and DHW, while also having the space to allow the connection of an additional module.
External weather compensation

Technical Details

Part Number 3 000 891 9
Efficiency uplift
+2%
Internet Connected
Room Thermostat
Wall Mounted
Boiler Mounted
Weather Compensation
Load Compensation

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