IO Hvac Controls iO-FAV-04 System 324846-701 never attempt to adjust the

never attempt to adjust the regulator spring for gas type changes without the correct orifices and hardware

including CWN399PM and CWN500PM models

this Class RK5 fuse provides essential time-delay characteristics

2-inch thick door provides a secure heavy-duty locking system and a smooth

Plenum Rated Compliance: Fully certified to UL 1820 and NFPA 90A specifications for use in environmental air spaces

IO Hvac Controls iO-FAV-04 System 324846-701 never attempt to adjust theThe iO FAV 04 Fresh Air Ventilation System provides precise ASHRAE 62. 2 compliant ventilation for residential and light commercial applications. This comprehensive kit includes a micro processor logic panel, a 4 inch round 2 position damper (power open spring closed), and a 120 24V 20VA transformer. Engineered for efficiency, the system utilizes a single adjustment timer (1 60 minutes) to manage ventilation CFM requirements ranging from 40 to 150