Constructed with high-temperature gaskets and a durable viewing glass

It is specifically engineered to interface with low-voltage control circuits

maintaining the factory-rated airflow necessary for complete combustion and optimal fuel efficiency

you should specify the FM554A model

the common port shifts to the 1/4" barb normally closed port

Johnson Controls VG7241LT+3003E Valve Assembly 30067439-890 Constructed with high-temperature gaskets andThe Johnson Controls VG7241LT+3003E is a 3 4 inch, 2 way normally open pneumatic globe valve designed for modulating control of hot water, chilled water, and steam in commercial HVAC systems. This assembly features a rugged cast bronze body and brass trim, ensuring long term durability in high demand hydraulic circuits. Rated for a 7. 3 Cv flow coefficient, the valve utilizes an equal percentage flow characteristic to provide precise linear heat