599-04321-3.5 | 1/2" PICV 3.5 GPM NO | Siemens Building Technology

1/2" Normally Closed PICV, 3.5 GPM Siemens Building Technology 599-04321-3.5 The 599-04321-3.5 from Siemens is a 1/2" normally closed pressure-independent control valve (PICV) designed for precise flow control in hydronic heating and cooling systems. With a maximum flow rate of 3.5 GPM, this PICV provides accurate flow regulation even under varying system pressures. Key Features: * 1/2" NPT connection * Normally closed operation * Maximum flow rate of 3.5 GPM * Pressure-independent design ensures consistent flow regardless of system pressure fluctuations * Durable brass construction for long-lasting performance * Compact design for easy installation in tight spaces Applications: * Hydronic heating systems * Hydronic cooling systems * Radiant floor heating * Snow melt systems * Geothermal systems Benefits: * Precise flow control optimizes system efficiency and comfort * Pressure independence eliminates the need for manual balancing valves * Brass construction ensures durability and corrosion resistance * Compact design simplifies installation and maintenance Shop now at our HVAC supply store for the best prices and fast shipping on all your HVAC and plumbing needs!