Armstrong Fluid Technology 805188-111 Flange Kit 322838-753 The Setra 2641R25WB11T1C is a

The Setra 2641R25WB11T1C is a industry-standard low differential pressure transducer designed for precise monitoring in high-stakes HVAC environments

Always verify your unit's series number before installation to ensure the PWM signal and voltage requirements match

Designed for standard screw-in installation

Enhanced System Reliability: Restores stable voltage regulation across the control circuit

If you observe downstream pressure creep (where the pressure rises while no water is running) or if you see water leaking from the spring cage weep hole

Armstrong Fluid Technology 805188-111 Flange Kit 322838-753 The Setra 2641R25WB11T1C is aThe Armstrong Fluid Technology 805188 111 Flange Kit is a professional grade solution designed for seamless integration into high performance hydronic and HVAC systems. This 3 inch cast iron flange kit serves as the direct, modernized replacement for the legacy 105188 011 model, ensuring long term reliability and leak free operation. Engineered specifically for circulating pump installation, this kit is compatible with Armstrong Series E. 2 pumps,