553642A | Autofill 1/2"NPT Inlet | Caleffi Product Type_Extension for Outdoor HMI ensuring the safety and integrity

ensuring the safety and integrity of your water heater heat pump system

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

Our HVAC supply store offers the Trane MOT18819 at the best prices with fast shipping

Simply insert the handle into the desired location and tighten the set screw

Upgrade your fan control system today

553642A | Autofill 1/2"NPT Inlet | Caleffi Product Type_Extension for Outdoor HMI ensuring the safety and integrityThe 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