System Protection: Helps prevent heat exchanger damage by maintaining adequate ventilation

Replacement cores typically include the standard gaskets required for the filter shell faceplate

replacing the bonnet assembly with this OEM-spec part restores factory-level performance and ensures actuator compatibility with standard pneumatic or electric linkages

The "UL" designation in this model indicates the inclusion of an indicator light and/or a check button

The compact housing allows for efficient swaps in tight boiler cabinets

IO Hvac Controls iO-FAVR-ENH-08 System R-22 System Protection: Helps prevent heatThe iO HVAC Controls iO FAVR ENH 08 is a professional grade fresh air ventilation system engineered to meet ASHRAE 62. 2 standards for indoor air quality. This enhanced kit features a micro processor logic panel housed within a consolidated junction box, integrating a 20VA transformer and a dedicated relay for simultaneous exhaust fan control. The system includes a high torque 8 inch power open, 2 wire motorized damper designed for seamless intake