The Armstrong R38999D018 is a tubular heat exchanger that has a 4 tubes construction made of stainless steel suitable for furnace applications.
What is a Heat Exchanger?
A heat exchanger is used to transfer and provide heat within the furnace by having hot gas produced from the burner's combustion flames circulate into the tubes. The hot gas heats up the heat exchanger which is then blown into the home's ventilation system.
| Number of Tubes | 4 |
|---|---|
| Material | Stainless Steel |
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