Siemens Building Technology 599-10311S Valve 320074-702 it requires an H series

it requires an H series bushing and is compatible with 3L

verify that the current pressure is indeed below your setpoint using a calibrated manometer

using this HVAC blower wheel replacement ensures the system meets the manufacturer's original CFM specifications

Heavy-Duty Material: Brass construction prevents leaks and provides long-term resistance to environmental wear

Siemens Building Technology 599-10311S Valve 320074-702 it requires an H seriesThe Siemens 599 10311S Valve is a professional grade 3 4 inch NPT 2 way ball valve designed for high performance fluid control in HVACR systems. Built with a rugged brass body and high grade stainless steel ball and stem, this 25 Cv valve is specifically engineered to handle hot water, chilled water, and up to 50% glycol solutions. As a full port model without a flow characterizer insert, it provides high flow capacity and is an ideal choice for 2