FORCED AIR

 
Forced Air
When the outdoor furnace is installed in conjunction with an existing forced air system, a water-to-air heat exchanger is mounted in the plenum or duct work of the existing furnace. Heated water from the outdoor furnace either continuously flows through the water-to-air heat exchanger or is diverted through a 3-way zone valve. When the thermostat senses the need for heat, the fan on the existing furnace forces air through the heat exchanger, transferring heat throughout the existing ductwork.

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Serial Number Example Serial Number. Include ALL letters (if present) and numbers inside the box (do not include spaces). Serial Number can be found on furnace's metal plate.

TECHNICAL ARTICLES

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