Furnace Not Heating: Heat Exchanger and Safety Considerations: Revision history

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29 December 2025

  • curprev 22:3522:35, 29 December 2025‎ Gwaynehgsh talk contribs‎ 20,225 bytes +20,225‎ Created page with "<html><p> When a furnace quits producing heat on a cold night, the instinct is to blame a thermostat or a tripped breaker. Those cause plenty of service calls, but the more consequential failures often sit deeper inside the cabinet. The heat exchanger, an unassuming metal chamber that keeps flames separated from breathing air, is the heart of the safety conversation. When it fails, it is not just about comfort. It is about the risk of carbon monoxide mixing into your hom..."
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