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 Differential Pressure Swtich senses changes in duct air pressure to confirm air movement. This provides a safeguard that airflow is present during the operation of installed IAQ equipment.

 

IMPORTANT: Heating, ventilation, air conditioning or refrigeration parts and accessories should only be installed by qualified technicians. Failure to understand and follow the manufacturer's installation and use instructions may result in fire or explosion, electric shock, property damage, injury or loss of life. It is your responsibility to seek professional advice when installing and using these parts and accessories.

 

**Actual Product may vary from product image.**