553642A | Autofill 1/2"NPT Inlet | Caleffi SubCategory 3_Production Vise Columns Upgrade your combustion system with

Upgrade your combustion system with the Rheem-Ruud SP21099 Burner Assy Kit and experience improved efficiency and reliability

you can restore the functionality of your water heater system

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making it a great choice for use in critical applications

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553642A | Autofill 1/2"NPT Inlet | Caleffi SubCategory 3_Production Vise Columns Upgrade your combustion system withThe 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