16 Reasons Why Your Furnace Has Rust
A furnace is a machine that usually heats your house by burning fuel, like natural gas or propane. It’s quite an ingenious device, but the downside of this modern convenience is that furnaces are prone to developing rust on structural components. It’s important to understand why this happens to keep it from getting out of hand. If you’re not familiar with rust, think of it as a brownish-red metal oxide that occurs when iron, steel, or other ferrous metals are exposed to an oxidizing agent. Water is usually the culprit. In this article, we have narrowed down to reasons why
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