Lochinvar & A.O. Smith 100110589 Pressure Switch 320720-756 as well as the older

as well as the older 100165894

Common Questions & Technical Support: What capacitor is required for this motor

Using a higher limit can lead to hazardous operating temperatures and potential equipment damage

providing the high-flow performance typically associated with larger 6-inch diaphragm units

which often leads to flame rollout switch trips

Lochinvar & A.O. Smith 100110589 Pressure Switch 320720-756 as well as the olderThe Lochinvar & A. O. Smith 100110589 Pressure Switch is a critical safety component designed for high efficiency boilers and water heaters. As a genuine OEM replacement part, this switch ensures the combustion air pressure and venting conditions meet precise operational parameters before allowing the ignition sequence to proceed. It effectively monitors the inducer draft, preventing the system from firing under hazardous conditions such as blocked