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Vaillant eBUS hardware adapter (ebusd software) Thread
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507
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25954
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14 January 2026
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Vaillant Arotherm hmu_setmode_flowtemp_desired keeps increasing, ignoring HC1_actual_flowtemp_desired_value
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9
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134
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12 January 2026
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Why doesn't a low flow temp translate into a decent COP
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48
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510
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12 January 2026
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Vaillant Arotherm: excessive noise from compressor
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157
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4318
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12 January 2026
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Short cycling, third party thermostat help
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4
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72
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10 January 2026
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Defrost hell
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46
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1776
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23 December 2025
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Integrating MyVaillant app with EmonCMS
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7
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686
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19 December 2025
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Vaillant maximum output capacity testing
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171
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5386
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1 December 2025
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Vaillant Arotherm Interface wiring help required
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5
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271
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1 November 2025
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Trying to understand Start/Stop conditions of my (vallaint) heat pump
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0
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73
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29 October 2025
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Help! No heat from Vaillant Arotherm+
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18
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1074
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11 October 2025
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Advice on OEM Level 3 Heat Pump Monitoring for Vaillant aroTHERM Split Plus
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2
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114
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12 September 2025
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Short Cycling every 10 mins @ 11C, Arotherm x 2 12Kw Cascading
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1
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79
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10 April 2025
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Vaillant AroThem Plus DHW overshoot
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0
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71
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25 February 2025
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Diagnosing Arotherm+ 5 & Radiators in Scotland
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52
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424
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12 February 2025
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Valliant Arotherm Plus ~ Saunier Duval Genia Air Max
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0
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56
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11 February 2025
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Vaillant Arotherm Plus 7kW never low and slow
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38
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1485
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23 January 2025
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My Vaillant app - reported outside temp
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24
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1544
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1 December 2024
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Vaillant AroTherm Control Not respecting temperature?
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3
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160
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20 November 2024
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Why is my heat pump heating the central heating when there is no demand?
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2
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138
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24 July 2024
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New Vaillant AroTherm Plus 7kW Install
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17
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990
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23 July 2024
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Vaillant heating and cooling zone
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60
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2894
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20 July 2024
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Seeking advice regarding Vaillant underfloor heating/cooling for Athens, Greece
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2
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150
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27 June 2024
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Flow Rate Discrepancy affecting COP?
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7
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243
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25 April 2024
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Heat pump does not adhere to sensoAPP Time programme slots
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8
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646
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24 September 2023
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