Simplified Professional Installation: Equipped with a factory-correct

This specific pressure regulator spring is engineered to deliver a precise outlet tension range of 10" to 22" Water Column (WC)

Universal Versatility: Standard 3/4" snap disc mounting holes and included terminal adapters allow for rapid installation across multiple brands

While rated for 120V applications

and flame sense (S1/FC) align with your actual equipment layout

System Sensor 2151 Smoke Detector Els PW 17895 Simplified Professional Installation: Equipped withThe System Sensor 2151 is a professional grade, low profile photoelectric smoke detector designed for precise performance in commercial HVAC and fire alarm systems. This 100 Series plug in head utilizes a state of the art optical sensing chamber and is engineered to provide stable detection in diverse environments. Technicians should note that this unit is the direct replacement for 2151+ and the 70 540000 001 models, ensuring seamless integration