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The Lochinvar RLY2202 is a low-voltage connection board designed for use with Lochinvar Knight Boiler models. This board provides an organized interface for low-voltage wiring, improving reliability and simplifying serviceability in hydronic heating systems. It is compatible with various Knight XL models, including KB399 to 800 heating boilers, and serves as a direct replacement for the original RLY2202 board (Part No. 100208501).
Facilitates cleaner, safer low-voltage connections and easier diagnostics.
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