Siemens Building Technology 658-0052 Valve 321702-401 and HQ1010708TD

and HQ1010708TD

the 93-HDLS utilizes a robust mechanical float-operated mechanism to provide reliable boiler pump control and essential low-water protection

a specific adapter or a compatible RAV/V operator is required as the neck diameters and pin depths differ

Broad Environmental Tolerance: Designed to operate in temperatures ranging from -30 to 180°F

Siemens Building Technology 658-0052 Valve 321702-401 and HQ1010708TDThe 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,