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The Lochinvar Outdoor Air Sensor, MPN 100208834, is designed specifically for use with KnightXL KB399 to KB800 heating boilers. This sensor measures outdoor temperatures to optimize the performance of your heating system.
This sensor assists in ensuring that your heating system responds to changing outdoor conditions, leading to improved energy efficiency and comfort.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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