Description
The Lochinvar & A.O. Smith 100208243 Blocked Drain Switch is an essential safety device for HVAC systems; especially for water heater and boilers. It operates by sensing the presence of clogs in the drain, and then turns off the unit to avoid overfilling. It also serves to prevent damage to your equipment, lower maintenance costs and prevent cases of water damage. Convenient to retrofit or install, it is perfect for homes, offices or other facilities, providing people with the assurance of a proper and secure functioning of HVAC systems.
