Title

Tankless Gas Water Heater Manufacturer | 20L Duct Flue OEM Supplier China | ElecTec

Meta Description

Professional tankless gas water heater manufacturer in China. 20L capacity, duct flue system, instant heating. OEM/ODM supported. Contact us for quotation.

Product Title

ElecFire 20L Tankless Gas Water Heater Duct Flue

Overview

This 20L tankless gas water heater with duct flue system is designed for high-demand hot water supply in residential and light commercial applications. The duct flue structure ensures safe and efficient ventilation by directing exhaust gases outside, making it suitable for indoor installations.

With a powerful heating system and tankless design, it provides instant and continuous hot water with stable temperature performance. The 20L capacity supports multiple water outlets simultaneously, meeting the needs of larger households and commercial usage.

As a professional gas water heater manufacturer in China, ElecTec provides full OEM/ODM solutions, including logo branding, product customization, and packaging design. With strict quality control and global export experience, we ensure reliable quality, competitive pricing, and fast delivery for bulk orders.

Key Features

• 20L large capacity for high-demand hot water supply
• Tankless design for instant and continuous hot water
• Duct flue system for safe and efficient ventilation
• Stable heating performance with energy efficiency
• Suitable for multiple water outlets simultaneously
• Compatible with LPG and natural gas (NG)
• Durable components for long service life
• OEM/ODM customization available

Application Scenarios

This gas water heater is suitable for:
• Large households with multiple bathrooms
• Apartments and residential buildings
• Small hotels and guesthouses
• Commercial hot water supply systems
• Indoor installations requiring duct flue ventilation
• High-demand usage environments

OEM / ODM Customization

We provide comprehensive OEM/ODM services:
• Logo printing on product and packaging
• Customized packaging design
• Product appearance and color customization
• PCB program and system adjustment
• Heating system configuration
• Instruction manual and branding support

With over 20+ years of manufacturing experience, we support global distributors, wholesalers, and project contractors with flexible and reliable customization solutions.

Why Choose ElecTec

• 20+ years manufacturing experience in gas appliances
• Exported to 40+ countries worldwide
• Certified quality (CE, CB, ISO9001)
• Strict quality control and testing system
• Competitive factory pricing
• Fast production and delivery time
• Professional OEM/ODM service support

FAQ

Q1: Is 20L capacity suitable for multiple water outlets?
Yes, it is designed to support multiple water outlets simultaneously.

Q2: Do you support OEM and ODM customization?
Yes, we offer full OEM/ODM services including branding, packaging, and product customization.

Q3: What is your production lead time?
Usually 15–25 days depending on order quantity.

Q4: Which gas types are supported?
It supports both liquefied petroleum gas (LPG) and natural gas (NG).

Q5: Is this model suitable for indoor installation?
Yes, the duct flue system ensures safe indoor use with proper ventilation.

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