Lochinvar 100166241 WC SPDT Pressure Switch - 0.21

The Lochinvar 100166241 is a precision pressure switch designed for use in Lochinvar heating equipment including boilers and water heaters. This safety and control component monitors system pressure and activates at 0.21 inches water column (WC), ensuring proper combustion air pressure verification.

Key Features:

• Single Pole Double Throw (SPDT) configuration for versatile switching applications
• Calibrated to activate at 0.21" WC pressure differential
• Genuine Lochinvar OEM replacement part ensures proper fit and function
• Critical safety component that verifies adequate combustion air pressure
• Designed for reliable operation in residential and commercial heating systems

This pressure switch plays an essential role in system safety by preventing ignition unless proper air pressure is detected. The SPDT contact configuration allows for both normally open and normally closed circuit control, making it suitable for various control sequences in Lochinvar equipment.