Lochinvar & A.O. Smith 100110950 Probe 320788-702 Fail-Safe Reliability: The mechanical spring

Fail-Safe Reliability: The mechanical spring return system ensures the damper returns to its home position immediately upon power failure

and PFG series boilers to ensure electrical synchronization

Why does my furnace click several times but fail to light

Reliable Data Retention: Integrated permanent memory backup ensures all configuration settings remain intact during power outages

Lochinvar & A.O. Smith 100110950 Probe 320788-702 Fail-Safe Reliability: The mechanical springThe Lochinvar & A. O. Smith 100110950 Probe is a critical thermostat lower probe designed for high precision temperature monitoring in commercial and residential water heaters and boilers. As a genuine OEM replacement part, this sensory component ensures that the heating system maintains consistent water temperatures at the tank's bottom, preventing thermal stress and optimizing energy consumption. For technicians, installing a calibrated 100110950