Lochinvar & A.O. Smith 100208380 Pressure Switch 320735-701 Field-Selectable Logic: Features internal jumpers

Field-Selectable Logic: Features internal jumpers for direct acting (DA) or reverse acting (RA) modes

What was the cause of my original wheel failing

The Sure-Flex Plus design offers significantly higher torque ratings compared to standard EPDM sleeves

Using this OEM HVAC part avoids the alignment and seal issues common with aftermarket alternatives

Lochinvar & A.O. Smith 100208380 Pressure Switch 320735-701 Field-Selectable Logic: Features internal jumpersThe Lochinvar & A. O. Smith 100208380 Pressure Switch is a critical safety component engineered for precise combustion air proving in high efficiency boilers and water heaters. This OEM replacement part is factory calibrated to a 1. 05 inch water column (WC) set point, ensuring the integrated draft inducer or blower provides sufficient static pressure before the ignition sequence is initiated. Designed for compatibility with various Lochinvar Knight