18Kw 20Kw 24Kw 26Kw Underfloor Heating Gas Combi Boiler Constant Temperature Energy Saving
18Kw 20Kw 24Kw 26Kw Underfloor Heating Gas Combi Boiler Constant Temperature Energy Saving, Helping You Enjoy Efficient Home Heating, Stable Hot Water and Reduced Gas Consumption
Description
Space-Saving Wall-Mounted Design
The compact condensing gas boiler combines heating and domestic hot water functions in one unit, eliminating the need for a separate hot water cylinder or cold water storage tank. Perfect for apartments, townhouses and modern family homes where space is valuable.
High Energy Efficiency
Advanced condensing technology captures and reuses heat that would normally be lost through the flue, helping you reduce gas consumption, lower utility bills and improve overall heating efficiency.
Instant Hot Water on Demand
Enjoy hot water whenever you need it without waiting for a storage tank to refill. The system heats water instantly, providing greater convenience for your daily routine.
Continuous Hot Water Supply
Designed to deliver a steady flow of hot water for showers, kitchens and household cleaning. As long as the boiler capacity matches your household demand, you can enjoy reliable hot water throughout the day.
Ideal for Large Families
Whether multiple family members are showering, washing dishes or using hot water simultaneously, the boiler maintains stable performance and consistent comfort.
Comfortable Whole-Home Heating
Provides efficient central heating for living rooms, bedrooms, bathrooms and home offices, helping you create a warm and comfortable environment during cold weather.
Perfect for Underfloor Heating and Radiators
Compatible with both underfloor heating systems and radiator networks, giving you flexible installation options for new construction projects and home renovations.
Intelligent Constant Temperature Control
Smart sensors continuously monitor system performance and automatically adjust heating output, ensuring you enjoy stable room temperatures and comfortable hot water without sudden fluctuations.
Interest
Fast Heating Response
The high-efficiency burner quickly reaches the desired temperature, reducing waiting time and providing warmth exactly when you need it.
Smart Summer/Winter Mode
Easily switch between heating and domestic hot water modes. During warmer months, you can turn off the heating function while keeping hot water available, helping you save energy.
Quiet Operation
Low-noise components and optimized combustion technology ensure quiet performance, allowing you and your family to enjoy a peaceful indoor environment.
Built-In Anti-Freeze Protection
When temperatures drop, the system automatically activates protective functions to help prevent frozen pipes and equipment damage, making it ideal for cold-climate regions and holiday homes.
Dry-Burn Protection
Automatically detects abnormal water conditions and prevents operation without sufficient water, protecting key components and extending product lifespan.
Flame Failure Protection
If the flame is unexpectedly extinguished, the gas supply is automatically shut off to improve safety and prevent gas leakage.
Overheat Protection
Continuously monitors operating temperatures and automatically responds to overheating conditions, ensuring safe and reliable performance.
Pump Anti-Seizure Protection
The circulation pump periodically operates during extended idle periods to prevent mechanical seizure and maintain long-term reliability.
Multiple Safety Protection System
Comprehensive safety features include:
• Anti-Freeze Protection
• Dry-Burn Protection
• Flame Failure Protection
• Overheat Protection
• Pump Anti-Seizure Protection
• Water Pressure Protection
• Automatic Fault Detection
Smart LED Display
The large digital display provides clear temperature readings, operating status information and fault codes, allowing you to monitor the system with ease.
Ideal for Apartments, Villas and Family Houses
Whether you live in a compact apartment, a luxury villa or a multi-bedroom family house, this condensing gas combi boiler delivers reliable heating, instant hot water and year-round comfort for you and your family.
Suitable for Residential and Light Commercial Applications
An excellent solution for homes, guest houses, small hotels, offices, cafés and other properties requiring dependable heating and hot water performance.
Parameter
| Item | Specification |
|---|---|
| Model | SB1P24-G |
| Gas Type & Supply Pressure | Natural Gas 12T / 2000Pa |
| Applicable Gas Pressure Range | 1500Pa – 3000Pa |
| Rated Heat Input | 24kW |
| Rated Heat Output | 21.6kW |
| Minimum Heat Input | 9.6kW |
| Minimum Heat Output | 8.16kW |
| Radiator Heating Temperature Range | 30°C – 85°C |
| Underfloor Heating Temperature Range | 30°C – 60°C |
| Heating System Pressure Range | 0.05MPa – 0.3MPa |
| Expansion Tank Capacity | 6L |
| Maximum Heating System Water Volume | 100L |
| Pump Head | 5m |
| Recommended Heating Area | 80㎡ – 108㎡ |
| Power Supply | 220V / 50Hz |
| Maximum Electrical Input Power | 120W |
| Coaxial Air Intake & Exhaust Flue | Φ60 / Φ100 mm |
| Waterproof Rating | IPX4 |
| Product Dimensions | 740 × 400 × 270 mm |
| Package Dimensions | 810 × 460 × 310 mm |
| Net Weight / Gross Weight | 31kg / 34kg |
Desire
22 Years of Manufacturing Experience
You work with a company that has been focused on home appliance development and manufacturing for over 22 years. This experience allows us to understand market demands, improve product performance, and maintain stable production standards. Whether you are launching a new product line or expanding your existing business, you can rely on a partner with proven industry expertise.
Strict ISO 9001 Quality Management
You can have confidence in every product you receive. Our ISO 9001-certified quality management system covers every stage of production, from raw material inspection and component testing to in-process quality control and final product inspection. This helps ensure consistent quality and reduces the risk of after-sales issues for your business.
Trusted by Customers Worldwide
You benefit from products that are already serving customers across North America, South America, Europe, Russia, Africa, and other international markets. This global experience helps us better understand different market requirements and allows you to source products with proven acceptance and performance.
One-Stop OEM & ODM Service
You can simplify your sourcing process with complete OEM and ODM support. From product design and component selection to packaging, branding, and final production, our team works closely with you to develop products that match your market needs and brand positioning.
Modern Production Facilities
You benefit from advanced production equipment and well-organized manufacturing lines designed to improve efficiency and product consistency. This helps ensure stable quality and reliable production schedules, even during peak seasons.
Professional Research and Development Team
You gain access to an experienced engineering team focused on product innovation and continuous improvement. Whether you need product customization, technical upgrades, or new product development, we can help turn your ideas into market-ready solutions.
Comprehensive Quality Testing
You receive products that go through multiple testing procedures before shipment. These include performance testing, safety inspections, durability checks, gas leakage testing, and final quality verification. Our goal is to make sure every unit performs as expected when it reaches your customers.
Certification Support for Global Markets
You can source products designed to meet the requirements of different countries and regions. Our team understands international compliance standards and can support certification needs to help you enter new markets more efficiently.
Flexible Customization Options
You can customize product appearance, technical specifications, packaging, manuals, labels, logos, and other details based on your business requirements. This flexibility helps you create products that stand out in your target market.
Stable Production Capacity
You can count on us whether you need a small trial order or a large-volume purchase. Our manufacturing capacity is designed to support growing businesses and long-term cooperation without compromising quality or delivery performance.
Efficient Export and Logistics Support
You benefit from years of export experience and professional logistics coordination. From packaging and documentation to shipment arrangements, our team helps ensure your orders arrive safely and efficiently.
Reliable Spare Parts Supply
You can reduce maintenance concerns with long-term spare parts availability. We provide support for replacement components and accessories, helping you maintain product performance and improve customer satisfaction after purchase.
Action
Take Action Now
If You are looking for a reliable gas water heater supplier, now is a great time to get in touch. Simply share Your product requirements, target market or project details, and our team will provide detailed specifications, product recommendations and suitable OEM/ODM solutions to help You move forward with confidence.
Request a Quote
Whether You are sourcing for distribution, retail, e-commerce or project procurement, You are welcome to send us an inquiry at any time. We will provide competitive pricing, product information and professional support, helping You evaluate the best solution for Your business needs.
Start Your Business Partnership
You deserve a manufacturing partner that supports Your long-term growth. By working with Vangood, You gain access to stable production capacity, reliable product quality and responsive service. We are committed to building long-term cooperation that helps Your business grow steadily and sustainably.
Get Customized Solutions
Every market has different requirements, and every brand has unique goals. If You need customized specifications, packaging, logos, accessories or product features, simply share Your ideas with us. Our team will work closely with You to develop a solution that fits Your market and strengthens Your brand identity.
Contact Us Today
If You have questions about products, certifications, lead times or customization options, our team is ready to help. You can contact us directly for fast communication, technical support, product catalogs and professional recommendations based on Your specific requirements.
Discuss Your Project With Us
Whether You are launching a new product line, expanding Your distribution network or sourcing for a large project, we would be happy to learn more about Your plans. By understanding Your business goals, we can recommend the most suitable products and services to help You achieve better results.
Grow Your Business With Confidence
Choosing the right supplier can make a significant difference to Your success. With years of manufacturing experience, strict quality control and global export expertise, Vangood is ready to support You with reliable products and dependable service every step of the way.
FAQ
Q: Are you a trading company or a manufacturer?
A: We are a professional manufacturer located in Dongfeng Town, Zhongshan City, Guangdong, China. With more than 22 years of experience in home appliance production and R&D, we specialize in gas water heaters, electric water heaters, gas boilers, gas stoves, range hoods, and other kitchen appliances. We warmly welcome customers from around the world to visit our factory and discuss cooperation opportunities.
Q: What is your MOQ?
A: Our MOQ depends on the product model and customization requirements. We offer flexible MOQ options and support trial orders, allowing you to evaluate product quality and market potential before placing larger orders.
Q: What is your lead time?
A: For first-time orders, the production lead time is usually 35–45 days after confirming all order details. For repeat orders, the lead time is typically 25–35 days. The exact schedule depends on order quantity, product specifications, and customization requirements.
Q: Do you provide samples? Are they free?
A: Yes, we provide samples for quality evaluation and testing. The sample price is usually 1.5 times the unit price. However, the sample cost can be refunded in your first bulk production order, helping reduce your initial purchasing risk.
Q: What are your payment terms?
A: For payments ≤ USD 1,000, 100% payment is required in advance. For payments ≥ USD 1,000, we accept 30% T/T deposit in advance, with the balance paid before shipment. We can also accept 100% L/C at sight for qualified orders.
Q: Do you support OEM and ODM services?
A: Yes. We provide comprehensive OEM and ODM services, including logo printing, packaging design, product appearance customization, technical specification adjustments, and function development. Our professional R&D team can help create products tailored to your market needs.
Q: Can you provide customized packaging?
A: Yes. In addition to standard export packaging, we offer customized color boxes, gift boxes, branded cartons, instruction manuals, labels, and private packaging solutions to support your brand development.
Q: What is your warranty period?
A: We provide a one-year warranty for non-human quality issues. Our technical team also offers after-sales support and spare parts assistance to help ensure long-term product performance.
Q: What certifications do your products have?
A: Our factory operates under a strict ISO 9001 quality management system. Products are manufactured according to international standards, and relevant certifications can be provided based on your target market requirements.
Q: Do you supply spare parts?
A: Yes. We provide long-term spare parts support for maintenance and after-sales service. Spare parts can be supplied together with product orders or separately according to customer requirements.
Q: Do you provide market support?
A: Yes. We can provide product photos, videos, technical specifications, catalogs, promotional materials, and marketing suggestions to help you promote products and expand your local market.
Q: Are all products tested before shipment?
A: Yes. Every product undergoes strict inspections and testing before shipment, including raw material inspection, production process control, safety testing, performance testing, and final quality verification.
Q: How do you control product quality?
A: We follow a complete ISO 9001 quality management system. Quality control covers every stage from raw material sourcing, component inspection, assembly, and product testing to final packaging, ensuring consistent and reliable product quality.
Q: What is your production capacity?
A: Our factory is equipped with modern production facilities and stable manufacturing lines, enabling us to support both small-volume trial orders and large-scale commercial projects while maintaining consistent quality and delivery schedules.
Q: What are your main products?
A: Our main products include gas water heaters, electric water heaters, gas boilers, gas stoves, range hoods, gas ovens, and other kitchen appliances. We continue to develop new products to meet the changing demands of global markets.
Q: Can you provide SKD or CKD solutions?
A: Yes. We have extensive experience supporting SKD and CKD projects. We have successfully cooperated with customers from Vietnam, Pakistan, India, Brazil, Mexico, Turkey, and other countries. SKD and CKD configurations can be customized according to your assembly requirements, helping reduce import duties and improve local production efficiency.
Q: Which markets do you serve?
A: Our products have been exported to North America, South America, Europe, Russia, Africa, Southeast Asia, and the Middle East. Our extensive export experience allows us to provide products and services that meet the requirements of different international markets.
Q: Why choose us?
A: With over 22 years of manufacturing experience, a professional R&D team, strict ISO 9001 quality control, advanced production equipment, comprehensive OEM/ODM capability, and rich export experience, we are committed to providing reliable products, stable supply, and long-term partnership support for customers worldwide.
