heat-resistant material retains its structural form under thermal stress

refer to the A4TXV series or verify with the equipment’s data plate to ensure matching pressure/temperature curves

reducing unnecessary service calls for simple thermal fluctuations

Optimized System Efficiency: Restores proper valve modulation

Siemens Building Technology 658-0052 Valve R-22 heat-resistant material retains its structuralThe Siemens Building Technology 658 0052 Valve is a professional grade 1 2 inch 3 way changeover valve engineered for precise fluid management in hydronic HVAC systems. Designed as part of the Siemens Powertop series, this valve features a 2. 5 Cv flow coefficient and a quick opening flow characteristic, making it an ideal choice for 4 pipe radiant panel applications and terminal unit control. The 658 0052 is strictly a non mixing changeover valve,