室内設置型 酸素のない銅熱交換器付き 強制排気ガス給水器

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June 30, 2025
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Discover the Indoor Installation Type Forced Exhaust Gas Water Heater with Oxygen Free Copper Heat Exchanger. This high-efficiency 21kW water heater ensures a reliable hot water supply with a 220V voltage. Featuring a forced exhaust system for safety, optional protection, and a durable oxygen-free copper heat exchanger, it's perfect for residential and commercial use.
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