Lochinvar & A.O. Smith 100277756 LWCO Probe 328140-751 This typically points to loose

This typically points to loose lug connections causing high contact resistance

Designed for high compatibility with residential gas water heaters

this unit is built to handle demanding rooftop units and split system applications

The integrated vent limiting orifice eliminates the need for external vent piping in most jurisdictions

Built to withstand the thermal stress of furnace cabinets

Lochinvar & A.O. Smith 100277756 LWCO Probe 328140-751 This typically points to looseThe Lochinvar & A. O. Smith 100277756 LWCO Probe is a critical safety component designed for low water cut off protection in high efficiency commercial boilers and water heaters. Engineered as a short length conductance type probe, this genuine OEM part (often referenced as WTR20011K) ensures the burner circuit is interrupted if water levels drop below the safe operating threshold, preventing catastrophic dry fire conditions. It is specifically