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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
including EB and JCI series
Always check your specific model’s parts list to confirm it requires a #42 orifice
Ensure the ceramic insulator is intact during installation to prevent grounding issues that lead to intermittent furnace short cycling
Rugged Environmental Protection: Built to withstand fluctuating outdoor humidity and extreme temperature swings without signal degradation
the 221729A is for units without a display
Bard 8402-031 Limit Switch including EB and JCI seriesThe Bard 8402 031 Limit Switch is a critical safety component designed for high limit temperature regulation in Bard HVAC systems and wall mount units. Engineered for precise thermal monitoring, this OEM replacement limit switch features a fixed set point that shuts down the heating circuit when internal temperatures reach 155F (Open), preventing heat exchanger damage and system overheating. Once the unit cools to 130F (Closed), the switch resets the