Lochinvar & A.O. Smith 100157718 System Sensor Els PW 17895 Structural Integrity: Fabricated from durable

Structural Integrity: Fabricated from durable metal to withstand the thermal expansion and contraction cycles of residential furnace systems

Belt Life Optimization: Smooth groove finishing reduces friction and heat buildup

This duct smoke detector accessory is a critical legacy part for maintaining existing fire life safety systems that utilize those older

The AG13D020 typically achieves full stroke opening in approximately 25 to 30 seconds

Lochinvar & A.O. Smith 100157718 System Sensor Els PW 17895 Structural Integrity: Fabricated from durableThe Lochinvar & A. O. Smith 100157718 System Sensor is a critical OEM boiler replacement part engineered to provide precision water temperature sensing for high efficiency heating systems. Known in the field as the KIT3078, this sensor is a direct replacement for the discontinued 100274767 and is essential for maintaining the operational integrity of Lochinvar Knight and A. O. Smith commercial and residential units. As a veteran grade HVAC control