Resideo S688A1007 Sail Switch W/5" Wide Sail

The Resideo S688A1007 Sail Switch is a durable and reliable part for HVAC systems especially for forced air furnace and electric heat pump. This has a 5” broad sail that feels the air flow through the ducting. It operates through an air motion detection to change the state of either the SPST or the SPDT switch to regulate fans, alarms or other devices that require air movement. The S688A1007 has an operating temperature of -40°F to 175°F and is flexible for use in different environments. The sail switch is essential in preventing your HVAC system from overheating or breaking down due to lack of adequate airflow.