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and SDT119 models
Professional installation is recommended to verify the amp draw and ensure the manifold pressure remains within manufacturer specifications
this is the holder and enclosure assembly only
ensuring full compatibility with Lochinvar Knight and A
Resideo WT8840A1000 Gas Control R-134A and SDT119 modelsThe Resideo WT8840A1000 is a high performance natural gas water heater control designed for direct trade replacement of the Honeywell WV8840 series. Engineered for A. O. Smith and Bradford White standing pilot units, this valve is optimized for tanks with 1 inch cavity insulation. It features a 1 2" NPT inlet and a 1 2" inverted flare outlet, managing a 4" W. C. pressure regulator setting for consistent manifold pressure. The integrated thermopile
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