Bypassing a safety limit is strictly for temporary diagnostic testing by licensed professionals only

ensuring exact physical fits and terminal alignment

OEM Compatibility: Specifically designed for Friedrich ZoneAire Premier PDE and PDH units

What is the difference between normally open and normally closed ASCO valves

Siemens Building Technology 277-03206 Valve Assembly 340155-7026 Bypassing a safety limit isThe Siemens 277 03206 is a heavy duty 3 way mixing valve assembly engineered for precise temperature control in commercial hydronic systems. This 2 inch NPT pneumatic valve features a robust bronze body and durable brass trim, providing a 40 Cv flow coefficient to handle high demand HVAC applications. Equipped with an 8 inch pneumatic actuator, the unit operates on a 5 PSI spring span with an adjustable spring range, allowing technicians to calibrate