مفتاح الضغط التفاضلي DHW WBC 22 / 27 De Dietrich 767727400

For domestic hot water (DHW) systems, accurate pressure differential sensing is crucial for proper operation. This DHW differential pressure switch, model WBC 22/27, is designed to monitor the pressure difference across a heat exchanger or other hydraulic component. It helps control the burner modulation or pump speed to maintain consistent hot water temperature. The switch is built to withstand the demands of heating systems and provides reliable switching action. It is a common replacement part for many boiler brands, ensuring your DHW system responds correctly to demand and operates efficiently.