Lochinvar & A.O. Smith 100210102 High Limit Switch

The Lochinvar & A.O. Smith 100210102 High Limit Switch is specifically used on boilers and water heaters to avoid overheating. By so doing, it subsequently switches off the power supply to the heater and the fan when the space temperature reaches a specific programmable peak value to prevent damage to the unit and to maintain safety. It is used in utmost residential and commercial water heaters, and boilers to regulate the temperatures accurately. This high limit switch plays an important role of protecting the equipment from overheating and thus prolonging its life, enhancing safety and ensuring that the systems performance remains constant, it is therefore an important part of HVAC systems.