Lochinvar 100208378 4.10"WC PRESSURE SWITCH

The Lochinvar 100208378 is a pressure switch designed for use in Lochinvar boilers and water heaters. This component monitors system pressure and is calibrated to actuate at 4.10 inches water column (WC), ensuring safe and efficient operation of your heating equipment.

Key Features:

• Precise 4.10"WC pressure setting for reliable system monitoring
• Genuine Lochinvar OEM replacement part ensures proper fit and function
• Critical safety component that helps prevent unsafe operating conditions
• Direct replacement for worn or failed pressure switches
• Designed specifically for Lochinvar heating equipment

This pressure switch is an essential safety and control component that monitors combustion air pressure or flue draft in gas-fired appliances. When system pressure reaches the specified setpoint, the switch closes its electrical contacts to signal the control board, allowing the system to proceed with ignition sequence or maintain operation. Regular inspection and replacement of pressure switches when needed helps maintain system safety and reliability.