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Title: ALECOIL 18x18 Water‑to‑Air Heat Exchanger  
Category: Heating & Cooling  
Brand: ALECOIL  
Description: A high‑performance copper‑tube heat exchanger designed for outdoor wood furnaces and forced‑air heating systems.  
Details: Features 3/8" copper tubes with sine‑wave fins, epoxy‑coated aluminium fins for corrosion protection, and a helium leak test with a 1‑year warranty.

Price is $