Heatmiser Wireless Series - Frost Mode; Frost Protection Mode Operation; Heating On;Off; Thermostat Heating Status and Control

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Model: Slimline-RF V3
Hot Water Override
You can override the hot water override by pressing the key.
If the hot water is OFF, pressing the key will switch the hot water ON and
similarly pressing the key when the hot water is ON will switch it OFF.
Timer ON or OFF will flash to show when the hot water has been overridden.
This override will last until the next programmed setting.
Timer Status