Lochinvar & A.O. Smith 100108882 Pressure Switch L99H008 When the sensing element detects

When the sensing element detects temperatures approaching the setpoint

Day & Night

This direct-drive motor is pre-programmed to interface seamlessly with your specific air handler control board

Integrated Drainage Design: Built-in drain connector ports facilitate a secure

Lochinvar & A.O. Smith 100108882 Pressure Switch L99H008 When the sensing element detectsThe Lochinvar 100108882 (also indexed under A. O. Smith 100108882) is a critical safety differential air pressure switch designed for commercial boilers and water heaters. Calibrated for a fixed setpoint of 1. 10" W. C., this SPNO (Single Pole Normally Open) switch ensures the combustion blower is generating sufficient airflow before allowing the ignition sequence to proceed. As an OEM replacement part, it is engineered to maintain high limit accuracy