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The 1/2" ODF (Outside Diameter Female) connection accepts 1/2" tubing inside the fitting
using a universal switch can lead to dangerous combustion conditions or persistent lockout codes
Direct Connection: Features the standard multi-pin molex connector for seamless integration with the ignition control module
Complete Installation Kit: Includes sensing bulb clamps
Lochinvar & A.O. Smith 100166090 Pressure Switch 340155-7026 The 1/2" ODF (Outside DiameterThe Lochinvar & A. O. Smith 100166090 Pressure Switch is a critical safety component designed for high efficiency boilers and water heaters. As a veteran technician knows, this OEM replacement part is essential for verifying proper blower operation and flue venting before the ignition sequence begins. It functions by monitoring the differential pressure within the combustion chamber, ensuring that the combustion air blower is moving sufficient air to
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