Lochinvar & A.O. Smith 100208406 Low Air Switch

The Lochinvar & A.O. Smith 100208406 Low Air Switch is a safety device that should always be installed in water heaters and HVAC systems. This switch controls that the air pressure in the combustion chamber is okay so that the appliance can perform its function safely. Its operation is designed in such a way that when the air pressure rating is below certain, it shuts off the heating cycle to prevent any issues such as, backdrafts or combustion failure. This low air switch offers customers higher safety, system reliability and energy efficiency. It is widely used in home and commercial water heating systems, and that makes it a crucial part for the optimal HVAC system operation.