vaillant colormatic Glühzünder The efficient hot gas defrosting

The efficient hot gas defrosting ensures that the system operates without long interruptions and that no energy loss occurs even in freezing conditions

Service key

This classification serves only as a preliminary guide and does not replace a professional heat load calculation or system planning

The intelligent differential control automatically adjusts the pump speed to current temperature differences

The return temperature must be kept sufficiently high to protect the boiler body from harmful condensation and corrosion

vaillant colormatic Glühzünder The efficient hot gas defrostingVaillant colorMatic VRT 350 digital room temperature controller Brief description The Vaillant colorMatic VRT 350 is a digital room temperature controller with a plain text display that combines comfort and energy efficiency in living spaces. Its illuminated plain text display and intuitive operation allow for quick use without prior knowledge. Special features The controller features an easy to read, backlit display and shows all settings in plain