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always verify your center-to-center pulley distance before installation
By organizing control circuit wiring in a centralized block
or the valve failing to open despite being energized
High Temperature Rating: Engineered to maintain operational stability in ambient environments up to 300°F (149°C)
How do I troubleshoot ignition failure with this SmartValve
Lochinvar & A.O. Smith 100208556 Sensor Kit 321894-708 always verify your center-to-center pulleyThe 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
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