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No. 3 Haitai Development 2nd Road, Huayuan Industrial Park, Tianjin
Tianjin Ruisibai Technology Co., Ltd
No. 3 Haitai Development 2nd Road, Huayuan Industrial Park, Tianjin
Product Introduction
SUNVIC Manual Reset VKL2000 Series Rod Temperature Controller

SUNVIC Manual Reset VKL2000 Series Rod Temperature Controller
As a professional manufacturer of central heating controllers in the UK, SUNVIC has been deeply involved in the field of HVAC control for many years. In the supply of high-quality control equipment for commercial wholesale channels, SUNVIC has accumulated a solid industry reputation and a mature supply system.
The enterprise attaches great importance to multi-party cooperation and development in the long term, insisting on building a stable and win-win cooperation model with cooperative customers, upstream suppliers, and internal teams. The core competitive advantage cannot be achieved without the support of a high-quality team. All technical personnel have solid professional abilities and outstanding service awareness, and always adhere to the high standard service concept to customize and adapt solutions for global customers.
Relying on the pure British manufacturing heritage, SUNVIC has over 70 years of local production experience. Its production base is located in Lanarkshire, Scotland, and it continues to locally develop and manufacture various central heating supporting products. The brand adheres to innovation and iteration, constantly enriches its product matrix, and efficiently serves local and global cooperative customers with a reasonable location layout and mature corporate structure.
Our core products are jointly developed by senior engineers in the fields of mechanical, electrical, and electronic engineering. Leveraging cutting-edge intelligent manufacturing technology, we continuously iterate new products to meet the upgrading needs of the industry. The enterprise has successfully passed the BS EN ISO 9001:2015 quality management system certification, and the production factory holds ASTA BEAB qualification. The entire series of products strictly follow the relevant British and European BS EN standards for testing and certification, ensuring comprehensive quality compliance.
The product is widely adaptable to various application scenarios, covering many industries such as general industry, hydraulic workstations, automotive manufacturing, HVAC, etc. It includes core accessories such as intelligent temperature controllers, conventional temperature control switches, electric valves, intelligent TRVs, indoor room thermostats, rod thermostats, bypass valves, synchronous motors, radiator valves, etc. It has a complete range of models available: SZV22, SZVC22, VKL2201, VKL2301, SUNPRO series, SUNSTAT series, TLS-16A, TLX9301, WIFIS101, VK series and other full specification categories.
SUNVIC focuses on the research and production of heating and ventilation control system equipment, and its entire range of temperature control products has outstanding advantages. The equipment is equipped with mature and advanced temperature control technology, with excellent temperature measurement accuracy and the ability to automatically adjust the ambient temperature, creating a comfortable and stable usage environment; The overall operation logic of the machine is simple and easy to understand, with simple and convenient parameter settings and mode switching, and a low threshold for getting started; Built in multiple safety protection designs, from circuit protection to structural design to avoid potential usage hazards, ensuring the safe operation of equipment and personnel.
The product has undergone multiple rounds of rigorous testing and long-term working condition verification, with stable operation and low failure rate, and is suitable for long-term continuous operation needs. The whole machine is selected from high-quality raw materials with high specifications for processing and production. It is wear-resistant and corrosion-resistant, effectively extending the service life of the equipment. With comprehensive advantages such as precise temperature control, easy operation, safety and durability, and stable performance, SUNVIC temperature control equipment can be fully adapted to various heating and ventilation systems, bringing long-term and high-quality intelligent temperature control user experience to users in different industries.
Related models:
Szv 22 、 szvc 22 、 szvc 28 、 szvm 22 、 szvd 22 、 tls- 16 A 、 tlsc- 16 A 、 tlf- 16 A 、 tls- 6 A 、 TLX 9301 、 Sunpro 1000 、 Sunpro 2000 、 Sunpro 3000 、 Sunstat 、 sunstatrf 、 sunstatsi 、 sunvic estat 、 sunvic estatrf 、 sunvic wifis 101 、 VK 4251 、 VK. ɕ 、 VK as 靄 、 VK. 2to 、 VK and and and and and and 1、 TLX 9301 、 Sunpro 1000 、 Sunpro 2000 、 Sunpro 3000 、 Sunstat 、 Sunstat 、 sunsk. 、 VK ǒ झील पर पक्षियों की मौत कुमा VK (തൃക്ക്കുടി. लई 、 vkl पर रिक्षा, एनजीटी ने मांगी रिपोर्ट - दैनिक vkl ण).
Further Reading:
Mainstream classification and basic principles of temperature controllers
1. Divided by working principle
Mechanical expansion thermostat
By utilizing the physical characteristics of thermal expansion and contraction of metal temperature probes and rod type temperature sensors, internal contact opening and closing can be triggered, without the need for circuit chips, and operates purely physically and mechanically.
Advantages: simple structure, strong anti-interference, not prone to failure, no need for power supply to adapt to harsh working conditions;
Disadvantages: Medium temperature control accuracy, commonly used in civilian heating, water storage tanks, and industrial conventional temperature control scenarios. It is also the mainstream technical principle of SUNVIC stick thermostats and rod thermostats.
Electronic/Intelligent Temperature Controller
Temperature is collected using thermistors and temperature sensors, and precise temperature control is achieved through chip calculations. It supports programming, timing, and remote WiFi control.
Advantages: high temperature control accuracy, intelligent setting, diverse modes, and support for networking;
Disadvantages: Dependent on power supply, with certain requirements for electromagnetic environment, commonly used in home decoration HVAC and intelligent building scenarios, corresponding to SUNVIC intelligent thermostats and WiFi series temperature control products.
2. Divided by structural form
Rod/Rod Temperature Controller: Designed with a slender temperature sensing rod, it can be inserted into water storage tanks, pipelines, and equipment chambers for temperature measurement. It is easy to install and fix, and is standard for industrial and HVAC water heaters;
Room wall mounted temperature controller: installed on indoor walls to monitor ambient temperature, control underfloor heating, wall mounted boilers, and radiators;
Valve integrated temperature controller: integrated with radiator valve and electric valve body, achieving independent temperature control for single channel heating, commonly known as intelligent TRV products.
