It features a dedicated auto changeover (AutoCO) function

calibrated to verify that the induced draft motor is generating the correct static pressure within the heat exchanger before ignition

Provides full HVAC system control via infrared signal

Structural Integrity: Genuine OEM parts ensure correct gauge thickness to prevent warping under high-limit temperature cycles

The Class 40 series design allows for field-mountable auxiliary contacts if additional signaling or interlocking is required

Honeywell VP512A1742 Valve 322056-301 It features a dedicated autoThe Honeywell VP512A1742 is a heavy duty, 1 inch normally open pneumatic unit ventilator valve designed for the proportional control of steam or hot water in commercial HVAC systems. Built with a right angle body pattern and high quality bronze construction, this globe style valve features a 10 Cv flow capacity and a 3 8 psi spring range, ensuring precise modulation for terminal unit applications. As a direct replacement for 658 0012, it is engineered