Siemens Building Technology 658-0052 Valve 320788-704 Combustion Integrity: Prevents air leaks

Combustion Integrity: Prevents air leaks at the venturi inlet

Using it in a positive pressure system may result in improper seating or erratic gas flow

this component is essential for technicians servicing Copeland compressor systems that require a low-voltage interface

a failed exchanger can cause high-limit switch trips or elevated carbon monoxide readings

Dual Signal Capability: Features two normally open Single Pole Single Throw switches to provide distinct Open and Closed feedback loops

Siemens Building Technology 658-0052 Valve 320788-704 Combustion Integrity: Prevents air leaksThe 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,