521509A | 3w Thermo Mixing Vlv 3/4"SWT | Caleffi Part Number_50403 75 * Material: Steel *

75 * Material: Steel * Finish: Zinc Plated * Hardness: HRC 50-55 * Spring Force: 20 lbs

Key Features: - Key Locking Mechanism: Enhanced safety and security with a key-operated locking mechanism

**Ergonomic Design:** The knurled head allows for convenient hand tightening or loosening

50 lbs * Brand: Rinnai Maximize the efficiency of your heating and ventilation systems with this high-quality Fan Assembly Convection from Rinnai

preventing corrosion and sludge buildup

521509A | 3w Thermo Mixing Vlv 3/4"SWT | Caleffi Part Number_50403 75 * Material: Steel *3 Way Thermo Mixing Valve (521509A) by Caleffi Caleffi's 521509A is a 3 way thermo mixing valve designed to control the temperature of mixed water in hydronic heating and cooling systems. It features a compact and durable brass body with a 3 4" SWT connection, ensuring longevity and reliability. With its precise temperature control, this valve maintains a consistent mixed water temperature, preventing scalding or discomfort. It operates on a wide