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The McAlpine VP100E Internal/External Air Admittance Valve is engineered to enhance the performance of your drainage system
59 m² surface area
preventing them from entering the boiler and associated components
Design: Untrapped design allows for efficient drainage without the risk of water retention
Honeywell T4M Wired OpenTherm Thermostat – Smart Heating Control Vaillant Boiler for Medium Homes The McAlpine VP100E Internal/External AirAchieve advanced heating control with the Honeywell T4M Wired OpenTherm Thermostat. This smart thermostat is designed to optimize your heating system's efficiency and performance, offering precise temperature management for maximum comfort in your home. Key Features OpenTherm Compatibility: The T4M connects seamlessly with OpenTherm systems, allowing for efficient communication between the thermostat and your heating system, enhancing responsiveness