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
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Optimum control of your GB162 heating system
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Comes supplied with a digital programmer
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Can control one mixed and one unmixed heating circuits and DHW, while also having the space to allow the connection of an additional module.
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External weather compensation
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Technical Details
| 4121 wall mounted digital control | |
|---|---|
| Part number | 3 000 891 9 |
| Efficiency uplift * |
+2%
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| Internet Connected | |
| Room Thermostat | |
| Wall Mounted | |
| Boiler Mounted | |
| Show more | |
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