6-12L Gas Water Heater High Quality Instant Flue Type Tankless Hot Water Heater. Instant Heating Technology: Delivers heated water in seconds with continuous flow and stable temperature. Omni Flow Precision Control: Eliminates temperature variance for uninterrupted bathing across multiple outlets. Advanced Safety Protection: Features flame-out protection, anti-freezing, and dry-heating prevention with auto shut-off. Multiple Capacity Options: Available in 6L, 8L, 10L, and 12L capacities to suit different household needs. Customizable Logo Service: OEM/ODM services available with customizable branding for excellent buyers. High Efficiency Gas Type: Designed for Natural Gas and LPG with specific pressure ratings for optimal performance. Durable Construction: Constructed with copper interior and cold-rolled steel plate housing for longevity. Outdoor Standard Installation: Engineered specifically for outdoor standard installation with flue type exhaust.