Lennox 58W10 Header Box 320788-704 you would typically reference the

you would typically reference the KZ-4000-6 model

Broad Environmental Limits: Engineered to function reliably in ambient conditions ranging from -30°F to 125°F

or a "call for heat" that results in the motor humming without spinning

This Trane rotary actuator is a critical component for maintaining high-efficiency HVAC airflow control and system pressure balance

A clear belt makes it easier to spot cracks or discolorations during visual checks

Lennox 58W10 Header Box 320788-704 you would typically reference theFor veteran HVAC technicians and mechanical contractors, the Lennox 58W10 Plastic Header Box is the standard OEM replacement required to maintain the structural integrity of the secondary heat exchanger assembly. This critical condensate collector box is engineered specifically for use in high efficiency Lennox gas furnaces, such as the EL92TB and EL95TB series, where managing acidic condensate is paramount. Precision molded from specialized high