Lochinvar & A.O. Smith 100208666 Cutoff R-410A and 15 C-vintage models

and 15 C-vintage models

Versatile Mounting: Multi-positional mounting capability allows for flexible installation in various cabinet configurations

including inductive

Precision Timing: High-accuracy internal circuitry maintains consistent delay intervals for optimized heat transfer

specifically calibrated to open on temperature rise at 150°F and close on temperature drop at 120°F

Lochinvar & A.O. Smith 100208666 Cutoff R-410A and 15 C-vintage modelsThe Lochinvar & A. O. Smith 100208666 Low Water Cutoff Manual Reset is a critical safety component designed to protect high efficiency hydronic systems. As a direct OEM replacement part for WTR2530 and WTR2530K, this probe type LWCO sensor ensures the burner circuit remains de energized during low water conditions, preventing catastrophic heat exchanger failure or "dry firing." Engineered specifically for the Lochinvar Power Fin series (models PB PF