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single-throw (SPST) normally open switch calibrated to close at -1
reducing vibration and cabinet noise
The Honeywell Q4100C9058 is a high-performance Silicon Carbide Hot Surface Igniter engineered for rugged field service replacement in gas-fired furnaces
it utilizes a remote temperature sensing bulb to regulate natural gas flow with a high-speed trigger that minimizes "hunting" and ensures tight temperature tolerances between 58°F and 90°F
this unit eliminates the labor-intensive wire-mapping typically associated with multi-zone HVAC systems
Lennox 25W71 Gasket R-22 single-throw (SPST) normally open switchThe Lennox 25W71 Gasket is a critical OEM replacement part designed specifically for sealing the collector box cover in high efficiency Lennox furnaces. As a veteran tech knows, a compromised seal at the secondary heat exchanger leads to pressure switch trips and dangerous flue gas leakage. This precision engineered furnace collector box gasket (also indexed under 100742 01) ensures an airtight, negative pressure environment required for the draft