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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Durable Solid-State Design: Lightweight vacuum-encapsulated components resist vibration and moisture better than traditional transformers
always verify fuel type before installation
OEM Standards: Eliminates the risks associated with aftermarket "universal" kits by adhering to Lennox factory specifications
Technical Precision: Maintains accurate recycle delay intervals to stabilize system pressures before restart
Lochinvar & A.O. Smith 100208556 Sensor Kit 326058-757 Durable Solid-State Design: Lightweight vacuum-encapsulatedThe Lochinvar & A. O. Smith 100208556 Limit Flue Sensor Kit is a critical OEM replacement component engineered for precise monitoring of exhaust temperatures in high efficiency heating systems. This flue limit rated sensor acts as a primary safety mechanism, detecting excessive heat within the venting system to prevent heat exchanger damage and ensure professional grade operational safety. Designed to replace legacy part numbers 100170535 and