553642A | Autofill 1/2"NPT Inlet | Caleffi Product Type_Extension for Outdoor HMI we offer the best selection

we offer the best selection of industrial products at competitive prices

Shop now and see why we are the leading supplier of electrical products

pressure transducers

3-phase heater provides ample heat output for large areas

553642A | Autofill 1/2"NPT Inlet | Caleffi Product Type_Extension for Outdoor HMI we offer the best selectionThe Caleffi 553642A Autofill Valve is an automatic water fill valve designed to maintain water pressure in sealed heating systems. Its 1 2" NPT inlet allows for easy connection to the system, ensuring reliable water supply and system pressure. With its robust construction, it can withstand the demands of industrial and commercial heating applications, providing long lasting performance. **Key Features and Benefits:** * Automatic water fill valve