28kw Condensing Gas Combi Boiler, 106% High Efficiency & Class 5 Low Nox

Name: 28kw Condensing Gas Combi Boiler, 106% High Efficiency & Class 5 Low Nox
Brand: Dezhou Watson Electric Co., Ltd.
SKU: 2161943642

Shandong, ChinaDezhou Watson Electric Co., Ltd.

US$550.00

10 Pieces

Sample price:US$600.00/piece.Request sample

Product profile

Customization

Available

Function

Water Boiler, Hot Water Boiler

Fuel

Natural Gas

Model NO.

WS/Q2 28kW

Installation

Packaged Boiler

Structure

Wall-Mounted Condensing Combi Boiler

Media

Hot Water

Water Circulation

Forced Circulation

Pressure

Low Pressure

Manufacturing Level

Burning Style

Fully Premixed Combustion

Usage

Home

Heat Input Range

4.8kw ~ 24kw

Hot Water Flow (δT=25K)

13L/Min

Applicable Heating Area

70-150 Sq.M

Nox Emission

8-9mg/M³ (Class 5)

Heating Capacity

20kw

Transport Package

Export Carton + Foam

Specification

24kW

Trademark

DEWOSEN

Origin

China

HS Code

85161000

Production Capacity

2000 Pieces/Month

Company profile

R&D CapabilitiesHigh Repeat Buyers ChoiceManagement CertificationProduct Certification

Dezhou Watson Electric Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableAverage Response Time: ≤3.38h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier for gas and household appliances, with 3D software design, OEM, ODM, and broad customization capabilities. It reports multiple product, quality, environmental, safety, and service certifications, supported by testing and production equipment. Production-related evidence includes an assembly line, automated machinery, and specialized boiler testers, while the stated off-season lead time is within 15 workdays. Quality controls include assurance and raw-material traceability, but several procedures lack documented records. Financial credibility cannot be confirmed because the provided financial figures are zero. Innovation evidence is mixed: the supplier has patents and one R&D engineer but reported no new products in the past year and no available SDK. Customer evidence includes OEM service for well-known brands and an 80%–100% repeat-buyer preference, but no Fortune 500 cooperation.

Supplier typeThe supplier explicitly identifies as a professional technical supplier and operates in gas appliances, household appliances, and related installation, spare-parts, and non-electric appliance businesses. It also provides OEM and ODM services, indicating a manufacturer with technical and production functions.

CertificationsThe supplier reports National Energy Conservation, National Environmental Protection, CCC, five-star product, after-sales service, gas appliance installation and repair, and multiple patent-related credentials. It also lists ISO9001:2015, ISO45001:2018, and ISO14001 management certifications, providing explicit evidence of broad compliance and management-system coverage.

After-Sales capabilityEvidence includes Star-Rated After-Sales Service Certification, gas appliance installation and repair qualification, and the ability to participate in offline exhibitions. However, complaint-handling procedures have no written records, and the service corrective-action mechanism and supplier-service procedures also lack records, limiting evidence of consistently documented execution.

Production capacityThe supplier reports an assembly line, automatic laminating and palletizing machines, laser marking equipment, online and safety testers, and dedicated household and commercial heating hot-water boiler testers. Its stated off-season lead time is within 15 workdays, while its business scope includes production of gas and household appliances, directly supporting manufacturing capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its 3D design service, ODM capability, and OEM service further support the ability to develop or adapt products for customer requirements.

Client casesThe supplier states that it provides OEM services for well-known brands and reports an 80%–100% repeat-buyer preference. It has no reported cooperation with Fortune 500 companies, and the only specifically named external activity is participation in the Uzbekistan Industrial Products Exhibition 2025; therefore, customer references are positive but limited in detail.