Engineered with a rugged torque box architecture

The Style 4 bulb is designed for immersion in the controlled medium

The Danfoss 023Z5040

once the power element is replaced

Lochinvar & A.O. Smith 100208327 Light R-410A Engineered with a rugged torqueThe Lochinvar & A. O. Smith 100208327 Light is a critical diagnostic component designed for high efficiency commercial and residential water heating systems. As an amber indicator light, this part provides real time visual feedback on system status, allowing for rapid 120V circuit verification and troubleshooting. This specific snap in neon indicator is engineered for a secure fit in control panels, ensuring that the water heater status light remain