Description
The Johnson Controls V-3974-6009 Spring Kit is among the most essentialaccessories that can help maintain correct pressure in HVAC systems. The unit has a 3/4″ stroke, its installation is direct with a 1/8” NPT connection, and the temperature range is -20°F to 150°F. This kit has an effective diaphragm size of 71 cm² and you can easily control the pressure while the supply pressures can go up to 25 PSI, the spring range is between 8 and 13 PSI. It changes the configuration of the valve according to the standard pressure of the air to ensure the accurate performance of the HVAC equipment, such as the air handling units and pneumatic controls. Pressure control enhances system dependability, optimizes power savings, and lengthens the durability of critical parts.
