This 50VA control transformer provides reliable step-down performance

maintaining the integrity of the reversing valve and auxiliary heat sequence

this is a mechanical thermostat that relies on the physical expansion of liquid in the capillary to trigger the switch

It facilitates the secure seating of a 16x25x1 air filter or 2-inch pleated media

Direct OEM Fit: Drop-in replacement for the standard natural gas spring

Lochinvar & A.O. Smith 100168668 Air Sensor 320788-704 This 50VA control transformer providesThe Lochinvar & A. O. Smith 100168668 Air Sensor is a critical component for achieving precise outdoor reset control in high efficiency 100 Series and 110 Series heating systems. Designed for seamless integration with Smart System controls, this NTC thermistor allows the boiler to dynamically adjust its firing rate and water temperature set point based on real time ambient conditions. By providing accurate outdoor temperature sensing, it enables