Caleffi 533350HA 3/4" FNPT Compact Pressure Reducing Valve with Prescal

The Caleffi 533350HA is a compact pressure reducing valve (PRV) designed to automatically reduce high incoming water pressure to a safe, constant level for residential and commercial plumbing systems. This valve protects fixtures, appliances, and piping from damage caused by excessive water pressure while ensuring consistent performance throughout the system.

Key Features:

• 3/4" female NPT threaded connections for easy installation
• Compact design saves space in tight installations
• Factory pre-calibrated (Prescal) for immediate use out of the box
• Adjustable pressure setting to customize outlet pressure
• DZR brass construction for corrosion resistance and durability
• Replaceable cartridge design for easy maintenance
• Suitable for potable water applications
• Operating pressure range up to 300 PSI inlet pressure

This pressure reducing valve is ideal for protecting water heaters, washing machines, dishwashers, and other appliances from damaging high water pressure. The pre-calibrated design eliminates the need for initial adjustment in most applications, simplifying installation for contractors and homeowners alike.