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DN25
Solaraven
84818040
The Thermostatic Mixing Valve is a core component designed for domestic hot water systems, engineered to maintain the mixed water temperature at a preset level consistently. Crafted with high-quality brass, this valve eliminates the hassle of fluctuating water temperatures caused by changes in cold/hot water supply or water volume, providing a safe and comfortable hot water experience for households and light commercial spaces. Whether it’s for daily showers, kitchen dishwashing, or laundry, the brass thermostatic valve ensures stable temperature output, preventing scalding and enhancing user convenience. Backed by the Solaraven brand’s reputation for reliability, this valve is a cost-effective and durable choice for modern hot water system upgrades.

Made of high-grade brass, the constant temperature mixing valve boasts excellent corrosion resistance, high-temperature tolerance, and long service life. Brass material ensures the valve remains sturdy even in harsh water conditions, avoiding rust or leakage issues common with low-quality materials.
Equipped with an integrated non-return valve, the thermostatic mixing valve effectively prevents backflow of cold and hot water, safeguarding the purity of the water supply and avoiding cross-contamination. This feature adds an extra layer of safety to domestic water systems.
Offering versatile installation options, the valve comes with male thread sizes including 1/2inch (DN15), 3/4inch (DN20), 1inch (DN25), 1.25inch (DN32), 1.5inch (DN40), and 2inch (DN50). It can seamlessly fit most standard water pipelines, making it suitable for new installations or replacement projects.
With a temperature accuracy of +/-2℃, the thermostatic mixing valve maintains the outlet water temperature between 35℃-55℃, the optimal range for daily use. The built-in thermostatic element uses thermal expansion and contraction to automatically adjust the cold/hot water ratio, ensuring no sudden temperature spikes or drops.
Adaptable to various water supply conditions, the valve operates within a pressure range of 0.03Mpa-1Mpa. It accepts cold water input at 4℃-34℃ and hot water input at 36℃-99℃, making it compatible with most domestic water heaters, solar water systems, and boiler systems.
Parameter | Details |
Brand | Solaraven |
Model | DN25 (with multiple DN options) |
Product Code | 84818040 |
Material | High-quality brass |
Working Pressure | 0.03Mpa - 1Mpa |
Cold Water Inlet Temperature | 4℃ - 34℃ |
Hot Water Inlet Temperature | 36℃ - 99℃ |
Outlet Water Temperature | 35℃ - 55℃ |
Temperature Accuracy | +/-2℃ |
Male Thread Sizes | 1/2inch (DN15), 3/4inch (DN20), 1inch (DN25), 1.25inch (DN32), 1.5inch (DN40), 2inch (DN50) |
Core Component | Thermostatic element (thermal expansion/contraction) |
Additional Feature | Built-in non-return valve |
Bathrooms: Ideal for showers and bathtubs, ensuring consistent water temperature to protect children and the elderly from scalding.
Kitchens: Perfect for dishwashing and food preparation, providing stable hot water without temperature fluctuations.
Laundry Rooms: Suitable for washing machines and hand-washing, improving cleaning efficiency with constant hot water.
Apartments & Condominiums: Suitable for multi-unit buildings, ensuring uniform hot water supply across all households.
Guesthouses & Bed-and-Breakfasts: Enhances guest experience with reliable hot water in bathrooms and kitchens.
Small Offices: Meets the hot water needs of staff restrooms and pantry areas.
The thermostatic mixing valve eliminates temperature fluctuations, reducing the risk of scalding and providing a comfortable hot water experience for all users. The non-return valve prevents water contamination, ensuring healthy water use.
Brass construction ensures the valve withstands long-term use and harsh water conditions, minimizing maintenance costs and replacement frequency. Solaraven’s strict quality control guarantees consistent performance.
Multiple thread sizes and standard design make installation straightforward, requiring no specialized tools. The valve is compatible with most domestic hot water systems, including solar water heaters, electric water heaters, and gas water heaters.
By maintaining a constant temperature, the valve reduces unnecessary water waste caused by temperature adjustments, contributing to energy and water conservation.
Ready to upgrade your hot water system with a reliable Thermostatic Mixing Valve? Our product is in stock and available for immediate inquiry. Whether you need a specific thread size or technical support, our professional team is here to assist. Click “Inquire” to get a customized quote or “Add to Basket” to secure your order today. Enjoy stable, safe, and comfortable hot water with Solaraven’s premium thermostatic mixing valve—your trusted choice for domestic and light commercial use!
The Thermostatic Mixing Valve is a core component designed for domestic hot water systems, engineered to maintain the mixed water temperature at a preset level consistently. Crafted with high-quality brass, this valve eliminates the hassle of fluctuating water temperatures caused by changes in cold/hot water supply or water volume, providing a safe and comfortable hot water experience for households and light commercial spaces. Whether it’s for daily showers, kitchen dishwashing, or laundry, the brass thermostatic valve ensures stable temperature output, preventing scalding and enhancing user convenience. Backed by the Solaraven brand’s reputation for reliability, this valve is a cost-effective and durable choice for modern hot water system upgrades.

Made of high-grade brass, the constant temperature mixing valve boasts excellent corrosion resistance, high-temperature tolerance, and long service life. Brass material ensures the valve remains sturdy even in harsh water conditions, avoiding rust or leakage issues common with low-quality materials.
Equipped with an integrated non-return valve, the thermostatic mixing valve effectively prevents backflow of cold and hot water, safeguarding the purity of the water supply and avoiding cross-contamination. This feature adds an extra layer of safety to domestic water systems.
Offering versatile installation options, the valve comes with male thread sizes including 1/2inch (DN15), 3/4inch (DN20), 1inch (DN25), 1.25inch (DN32), 1.5inch (DN40), and 2inch (DN50). It can seamlessly fit most standard water pipelines, making it suitable for new installations or replacement projects.
With a temperature accuracy of +/-2℃, the thermostatic mixing valve maintains the outlet water temperature between 35℃-55℃, the optimal range for daily use. The built-in thermostatic element uses thermal expansion and contraction to automatically adjust the cold/hot water ratio, ensuring no sudden temperature spikes or drops.
Adaptable to various water supply conditions, the valve operates within a pressure range of 0.03Mpa-1Mpa. It accepts cold water input at 4℃-34℃ and hot water input at 36℃-99℃, making it compatible with most domestic water heaters, solar water systems, and boiler systems.
Parameter | Details |
Brand | Solaraven |
Model | DN25 (with multiple DN options) |
Product Code | 84818040 |
Material | High-quality brass |
Working Pressure | 0.03Mpa - 1Mpa |
Cold Water Inlet Temperature | 4℃ - 34℃ |
Hot Water Inlet Temperature | 36℃ - 99℃ |
Outlet Water Temperature | 35℃ - 55℃ |
Temperature Accuracy | +/-2℃ |
Male Thread Sizes | 1/2inch (DN15), 3/4inch (DN20), 1inch (DN25), 1.25inch (DN32), 1.5inch (DN40), 2inch (DN50) |
Core Component | Thermostatic element (thermal expansion/contraction) |
Additional Feature | Built-in non-return valve |
Bathrooms: Ideal for showers and bathtubs, ensuring consistent water temperature to protect children and the elderly from scalding.
Kitchens: Perfect for dishwashing and food preparation, providing stable hot water without temperature fluctuations.
Laundry Rooms: Suitable for washing machines and hand-washing, improving cleaning efficiency with constant hot water.
Apartments & Condominiums: Suitable for multi-unit buildings, ensuring uniform hot water supply across all households.
Guesthouses & Bed-and-Breakfasts: Enhances guest experience with reliable hot water in bathrooms and kitchens.
Small Offices: Meets the hot water needs of staff restrooms and pantry areas.
The thermostatic mixing valve eliminates temperature fluctuations, reducing the risk of scalding and providing a comfortable hot water experience for all users. The non-return valve prevents water contamination, ensuring healthy water use.
Brass construction ensures the valve withstands long-term use and harsh water conditions, minimizing maintenance costs and replacement frequency. Solaraven’s strict quality control guarantees consistent performance.
Multiple thread sizes and standard design make installation straightforward, requiring no specialized tools. The valve is compatible with most domestic hot water systems, including solar water heaters, electric water heaters, and gas water heaters.
By maintaining a constant temperature, the valve reduces unnecessary water waste caused by temperature adjustments, contributing to energy and water conservation.
Ready to upgrade your hot water system with a reliable Thermostatic Mixing Valve? Our product is in stock and available for immediate inquiry. Whether you need a specific thread size or technical support, our professional team is here to assist. Click “Inquire” to get a customized quote or “Add to Basket” to secure your order today. Enjoy stable, safe, and comfortable hot water with Solaraven’s premium thermostatic mixing valve—your trusted choice for domestic and light commercial use!