Lochinvar & A.O. Smith 100271315 High Limit Switch

The Lochinvar & A.O. Smith 100271315 High Limit Switch is an imperative security part in HVAC systems. This switch monitors the temperatures of the system and controls it to prevent overheating and subsequently, destruction of part of the system. The hasting triggers a safety mechanism that ensures the equipments powers down to prevent over heating when the temperatures go higher than a set limit. This switch works with boilers, furnaces, and water heaters manufactured by Lochinvar and A.O. Smith. This high limit switch enables the system to operate at the most appropriate level, protect the equipment from wearing out fast, and operate safely without overheating.