This Model SMD unit features a versatile operating range of 0

With a fixed differential of approximately 6

this component is engineered to optimize airflow direction while maintaining structural integrity within the cabinet

providing a gas-tight seal when properly installed

It is fully compatible with Forsaire direct vent models ranging from 40

Siemens Building Technology 599-03115 Valve 30067439-890 This Model SMD unit featuresFor high performance hydronic and steam control, the Siemens 599 03115 is a 1 1 2 inch 2 way normally open globe valve engineered for critical HVACR infrastructure. Featuring a robust UNS CA 844 bronze body and 303 stainless steel trim, this Flowrite 599 Series valve provides superior resistance to corrosion and scaling in high demand environments. With a 25 Cv rating and equal percentage flow characteristic, it ensures precise modulating control and