실내 설치 유형 산소 없는 구리 열 교환기와 함께 강제 배기가스 가스 워터 히터

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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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