28mm Anti Freeze Valve

• Item Code: RNAFV-28
• Connection Size: 28mm compression
• Material: DZR solid brass
• Temperature Activation: Opens at 3°C, closes at 4°C
• Max Working Pressure: 10 Bar
• Temperature Range: 0°C to 75°C (fluid), -30°C to 60°C (ambient)
• Seal Material: EPDM
• Spring: Stainless Steel 304
• Application: Water-based air source heat pump systems
• Installation: Vertical on horizontal pipework

The 28mm Anti Freeze Valve from Midbrass is a simple yet highly effective solution for protecting water-based air source heat pump systems from freezing.
Automatically activating when temperatures drop below 3°C, the valve releases water to prevent ice formation, safeguarding your system from costly damage.
Built from durable DZR brass with large 28mm compression fittings, it’s easy to install and ideal for non-glycol-based systems.