Lochinvar & A.O. Smith 100148404 High Limit Switch

The Lochinvar & A.O. Smith 100148404 High Limit Switch is a safety device utilized in many HVAC systems with special reference to water heaters and boilers. This switch regulates the temperature of water and cuts off the heating element, should the temperature go high, to avoid burning of the water and, consequently, damaging the switch. This switch is easy to install and compatible with various Lochinvar and A.O. Smith, it has inherent advantages such as higher energy efficiency, less probability of equipment breakdown, and longer service life of heating appliances, so it is an important component in HVAC systems.