Lochinvar & A.O. Smith 100110013 Pressure Switch L99H008 The unit includes a 1/2-inch

The unit includes a 1/2-inch diameter shaft with a 2

As a specialized HVAC actuator replacement

Field-Service Ready: Includes all necessary hardware for a standard manifold pressure adjustment and orifice swap

making it the current technical standard for board-level repairs

Lochinvar & A.O. Smith 100110013 Pressure Switch L99H008 The unit includes a 1/2-inchThe Lochinvar and A. O. Smith 100110013 Pressure Switch is a critical safety component designed for precise combustion air monitoring in high efficiency water heaters and boilers. This differential air pressure switch is calibrated to detect proper draft conditions, ensuring the blower motor is moving sufficient air before allowing the ignition sequence to proceed. Engineered as a direct OEM replacement part, the 100110013 replaces legacy part numbers