IMPORTANT NOTE TO CUSTOMERS:  ALL PARTS ARE INTENDED TO BE INSTALLED BY LICENSED HVAC TECHNICIANS ONLY. INSTALLATION BY ANYONE OTHER THAN LICENSED TECHNICIANS WILL NOT BE COVERED UNDER WARRANTY AND NO TECHNICAL SUPPORT IS AVAILABLE FOR THESE PARTS.

The Condensate Drain Trap is to use the weight of the water to stop the flow of air produced by the blower from being sucked into the evaporator coil or being pushed out of the drain line during operation.