De Dietrich S100613 Huba differential air pressure switch

De Dietrich Air Pressure Differential Switch S100613 (Huba 605.99772) The genuine De Dietrich air pressure differential switch, part number S100613 (also known as Huba 605.99772), is designed to monitor differential pressure of air and neutral gases in gas boilers with sealed combustion chambers and forced flue gas extraction. It shuts the boiler off if the fan stops, ensuring system safety and reliability. Benefits: OEM-quality component — offers perfect compatibility with De Dietrich boilers. High accuracy and durability — IP65 protection, wear-resistant silicone membrane, operable from –30 °C to +110 °C. Reliable system operation — shuts off the boiler in case of draft failure, preventing hazardous operation. Easy installation and adjustment, stable activation, and long-lasting performance.