Giacomini R156 Thermostatic Mixing Valve 3/4" FF

The Giacomini R156 Thermostatic Mixing Valve is a precision-engineered component designed to regulate water temperature in domestic hot water systems. By blending hot and cold water supplies, this valve ensures a stable and safe output temperature, which is critical for preventing scalding and optimizing the efficiency of plumbing installations. Constructed from high-quality brass, the R156 is built for long-term durability and consistent performance in residential environments.

Advantages

The primary benefit of the Giacomini R156 is its ability to maintain a constant, pre-set water temperature regardless of fluctuations in the supply pressure or temperature of the incoming hot and cold water. This reliability enhances user safety by mitigating the risk of thermal shocks or accidental burns. Furthermore, the robust brass construction provides excellent resistance to corrosion and mechanical wear, ensuring that the valve remains a dependable part of your plumbing infrastructure for many years. Its compact design allows for straightforward integration into existing systems without requiring extensive modifications.

Suitable for

• Domestic hot water distribution systems
• Solar thermal installations
• Point-of-use temperature regulation
• Residential heating and plumbing circuits

This valve may not be suitable for industrial applications requiring extremely high flow rates that exceed the capacity of a 3/4-inch connection. Additionally, it is not intended for use with aggressive chemical fluids or systems where the water quality is highly corrosive, as this could compromise the internal brass components over time.

Key specifications

• Connection type: 3/4 inch female thread
• Material: Brass
• Operating temperature range: 5°C to 100°C
• Maximum working pressure: 16 Bar

How to use

The Giacomini R156 should be installed by a qualified professional to ensure all connections are properly sealed and the system is pressure-tested. The valve is typically installed at the outlet of the hot water storage tank or at the point of use. Once installed, the desired output temperature is set according to the manufacturer's guidelines. Regular checks should be performed to ensure the valve continues to operate within the specified temperature parameters.

What to consider before purchase

• Verify that the 3/4-inch female thread matches your existing pipework
• Ensure the system operating pressure does not exceed 16 Bar
• Confirm that the intended application falls within the 5°C to 100°C temperature range
• Check for sufficient space in the installation area for future maintenance access

Usage recommendations: It is recommended to install isolation valves on both the hot and cold water inlets to facilitate easier maintenance or replacement of the mixing valve without draining the entire system.