28mm Anti Freeze Valve

Description

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.

 

Specifications

Item Description PRESSFIT GAS 28mm 45 DEGREE ELBOW
Material COPPER
Brand SALVUS
Size

28MM
Product form

28mm Anti Freeze Valve Item Code: RNAFV-28 Connection Size: 28mm compression Material: DZR solid brass Temperature Activation: Opens at 3°C,... Read more

Free pickup in our shop(s)

SKU: A2053

In Stock

£53.04 Incl. VAT

    • Sustainable and eco-friendly
    • Available in large numbers
    • Shipped today? Order within: Jun 15, 2026 17:00:00 +0100
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    Description

    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.

     

    Specifications

    Item Description PRESSFIT GAS 28mm 45 DEGREE ELBOW
    Material COPPER
    Brand SALVUS
    Size

    28MM

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