this product is available for ground shipping to the lower 48 states only

This universal thermostat guard serves as the professional-grade direct replacement for UG-2A and UG-2C models

Using non-approved couplings can cause airflow restriction and interfere with pressure switches

and VP517 valve bodies

Air Xchange 18520101A Belt R-448A this product is available forThe Air Xchange 18520101A Belt is a high performance clear welded belt designed specifically for energy recovery ventilation (ERV) systems. This 162 inch HVAC drive belt is an essential OEM replacement part for air handling units, ensuring consistent power transmission from the motor to the energy recovery wheel. Its unique welded construction provides a seamless, high strength loop that eliminates the mechanical weak points found in traditional