What is the lead time for production?

The average lead time is one month for both peak and off-peak seasons.

Does the thermostat support WiFi connectivity?

Yes, it is a WiFi wireless thermostat designed for remote control.

What certifications does the product have?

The product holds CE, ISO9001, ROHS, and ISO14001 certifications.

Opentherm 4.2 WiFi Wireless Battery Powered Thermostat for Boiler Heating/Cooling System

Name: Opentherm 4.2 WiFi Wireless Battery Powered Thermostat for Boiler Heating/Cooling System
Brand: Xiamen E-Top Controls Technology Co., Ltd.
SKU: 2150673455

Fujian, ChinaXiamen E-Top Controls Technology Co., Ltd.

US$37.00

300-499 pieces

US$36.00

500+ pieces

Product profile

Customization

Available

Warranty

1 Year

Certification

ISO9001, ROHS, CE, ISO14001

Model NO.

WT-20

Material

ABS + PC

Power Supply

2*AA Batteries

Project Solution Capability

Graphic Design, Total Solution for Projects

Design Style

Modern

After-Sale Service

Online Technical Support, Return and Replacement

Programmable

7days or Non-Programmable

Current Load

Max 3A/16A

Setting Range

5~35c

Type

Heating

Accuracy

+- 1c

Application

Water Heating

Output Mode

on/off

Trademark

OEM &ODM

Origin

Fujian, China

Key features

WiFi Wireless Control: Enables remote monitoring and control of boiler heating and cooling systems via smartphone.

Battery Powered Operation: Operates on 2xAA batteries for flexible installation without wiring constraints.

Comprehensive Certifications: Certified with CE, ISO9001, ROHS, and ISO14001 for safety and quality compliance.

Customization Options: Supports customization from samples with ODM and OEM services available.

Online Technical Support: Provides online technical assistance and return/replacement services for after-sales.

High Temperature Protection: Features built-in high temperature protection to ensure system safety.

Flexible Programmable Settings: Offers 7-day programmable or non-programmable modes to suit different needs.

Company profile

ODM ServicesOEM ServicesManagement CertificationFast Delivery

Xiamen E-Top Controls Technology Co., Ltd.

Fujian, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 14 Years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤8.97h

AI-Powered supplier vetting

SummaryE-TOP is identified as a professional thermostat technology supplier integrating design, R&D, production, marketing, and sales. Evidence shows ISO9001:2015 and ISO14001/ISO14001:2015 management certifications, CE certification, documented complaint and corrective-action procedures, and established quality-control practices. The supplier reports 17 years of R&D engineer experience, recent new-product development, 3D software design, sample-based customization, and production capacity of 900,000 room thermostats annually. It has six quality inspectors and multiple production facilities. Financial records are identified for 2021–2023, but their results are not provided. Overseas service infrastructure is limited: no overseas warehouse, showroom, agent, or branch is reported, although the supplier has participated in an exhibition in Russia and reports 90% export sales.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier and describes E-TOP as a thermostat manufacturer integrating design, R&D, production, marketing, and sales. Its stated focus on climate-control products and technical support supports classification as a specialized manufacturer rather than a general trading company.

CertificationsThe supplier reports ISO9001:2015 and ISO14001/ISO14001:2015 management-system certifications, as well as CE certification; RoHS is also mentioned in the company description. These stated certifications provide explicit evidence of formal quality, environmental, and product-compliance credentials.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective/preventive actions, and describes good after-sales experience. However, it reports no overseas warehouse, showroom, agent, or branch; therefore, its procedural after-sales capability is evidenced, while local overseas support is limited.

R&D capabilityThe supplier reports professional R&D capability, 3D software design services, new products during the past year, and 17 years of total R&D engineer experience. Its stated emphasis on innovation and engineering, together with integrated design and R&D operations, provides explicit evidence of innovation capability.

Production capacityE-TOP reports two high-speed SMT lines, six injection-molding lines, four assembly lines, and facilities covering printing, SMT, wave soldering, reflow, injection, and assembly-related production. It also reports annual output of 900,000 room thermostats and six quality inspectors, supporting substantial manufacturing capability.

Customization capabilityThe supplier explicitly provides customization from samples and offers 3D software design services. These services indicate that it can adapt product designs based on customer-provided samples, although no broader customization scope or engineering performance details are provided.