Inexpensive manual regulating cap for all Heimeier thermostatic valve, € 4,40
IMI Heimeier Halo-B Thermostat Head (Authority Model, Connection M30 x 1.5, for Single Room Temperature Control, Control Range 8-26 °C) 2500-00.500 : Amazon.de: DIY & Tools
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A Guide to Low-Cost Heating When Winters Are Mild
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