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BEIJING, China – Haiyan Kaichang Energy Saving Electronics Co., Ltd., a specialized manufacturer of solar thermal control systems with over a decade of innovation in the renewable energy sector, has successfully completed the installation of its 86-Type Solar Water Heater Controller at a construction site in Beijing. The deployment marks another milestone for Kaichang's intelligent control solutions in northern China, where reliable freeze protection and automated hot water management are critical for residential and commercial solar water heating systems operating under harsh winter conditions.

The 86-Type Solar Water Heater Controller is engineered for standard 86mm flush-mounted junction box installation, making it compatible with the majority of residential solar water heater systems in China. The controller delivers a comprehensive suite of automation functions, including automatic water refilling, timed water refilling, temperature-controlled water refilling, and manual water refilling, alongside manual drain functions for freeze protection. Additional features include low-water and water-full alarms, Winter/Summer seasonal mode selection, a dedicated U-bend function, and real-time water temperature and water level display. These functions are designed to ensure consistent hot water availability while protecting system components from freezing damage during cold weather conditions.

Kaichang's controller technology is backed by rigorous international certification. The company's products hold CE certification under EN IEC 60335-2-102:2017/A1:2020 and EN 60335-1:2012/A11:2014 standards, verified by ShenZhen LTS Testing Technology Services Co., Ltd. Kaichang also holds utility model patents for a "whole-house customized domestic hot water system" (Patent No. ZL 2021 2 0524272.7) and a "solar and gas water heater automatic switching device" (Patent No. ZL 2019 2 1784227.2). These certifications and patents reflect the company's commitment to independent research and development and its ability to deliver reliable, safety-compliant products for domestic and international markets.

The Beijing installation aligns with the city's accelerating transition toward clean energy heating. Beijing's 15th Five-Year Plan emphasizes the expansion of renewable heating solutions, including "solar thermal + heat storage" distributed heating pilot projects, with the goal of raising the share of renewable energy heating to 15%. The plan also continues the push for coal-to-clean-energy conversion in rural areas and encourages the adoption of solar water heaters in new residential construction. In this policy environment, reliable solar thermal controllers with robust freeze-protection capabilities are becoming essential components for both new installations and system upgrades across the Beijing region.

The global solar hot water controllers market continues its steady growth trajectory, with the solar thermal controller segment projected to expand at a compound annual growth rate of approximately 8.4% through 2031. In China, the solar water heater controller market is benefiting from rising energy costs, increasing adoption of renewable energy systems, and growing consumer demand for automated home energy management. The Asia-Pacific region remains the largest and fastest-growing market for solar water heating systems and their associated controllers, supported by government renewable energy incentives, rapid urbanization, and increasing consumer awareness of energy-efficient home technologies.

Haiyan Kaichang Energy Saving Electronics Co., Ltd. was established in 2013 under the brand "Kaichang," building on a foundation that traces back to 2005 when its predecessor began focusing on solar water heater accessories research, sales, and promotion. The company is headquartered in Haiyan County, Zhejiang Province, and has strategically leveraged the region's industrial cluster advantages in electronic appliances, hardware manufacturing, and plumbing valves. In 2015, Kaichang identified a critical market gap—pipe freezing during winter months—and pivoted to focus on drain and frost-protection solutions, a strategic move that opened significant market opportunities and accelerated the company's growth. By 2017, the company had established stable partnerships with multiple enterprises, substantially raising its brand profile through collaborative projects. In 2019, Kaichang secured four patents, including innovations in solar-gas automatic switching sensors and whole-house recirculation control systems. The company's brand slogan, "Fear frozen pipes? Choose Kaichang!" encapsulates its value proposition in the frost-protection niche.

With its comprehensive automation features, robust freeze protection, seasonal adaptability, and CE-certified product quality, the Kaichang 86-Type Solar Water Heater Controller offers homeowners, solar thermal installers, and property developers a reliable, feature-rich solution for automated solar water heating system management. The product is now available through the company's distribution channels for solar thermal wholesalers, plumbing contractors, and home improvement retailers worldwide. For more information about Kaichang's products and installation services, please contact the company directly.

http://www.kaichangsolar.com
Haiyan Kaichang Energy Saving Electronics Co., Ltd.

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