ADEY Professional Heating Solutions



Advanced chemical solutions from the market leaders in magnetic filtration

MCZERO Anti-freeze is an effective, high performance solution from the industry leaders in central heating system maintenance and water treatment.

It is designed to prevent freezing in all types of water and to prevent metal corrosion and scale formation. It is suitable for all sealed and open vented central heating systems.

  • Prevents freezing
  • Prevents corrosion and scale formation
  • Reduces component failure and maintenance call-outs
  • Prevents cold spots in radiators
  • Helps maintain system efficiency and reduce fuel bills
  • Protects all metals and alloys in heating systems
  • Suitable for all water types

For the long-term protection of domestic central heating systems against freezing and the damaging effects of metallic corrosion of all metals and alloys found in heating systems including mild steel, copper and aluminium and their alloys. Compatible with all rubbers and other non-metallic components. Conforms to BuildCert CIAS, Chemical Inhibitor Approval Standard.

Available in 5L and 10L bottles.

Product data

How to use

A 25% dose of MC ZERO will provide frost and system corrosion protection for a typical 100 litre/ten radiator system down to -11°C. For larger systems or a greater degree of frost and corrosion protection please use the recommended dosage guide as detailed below.











To introduce MC ZERO to the system, we recommend using a suitable dosing vessel. Alternatively, dose via the F&E tank.

N.B. NOT for use in single feed indirect cylinders.

Physical and chemical properties

Appearance: Liquid

Colour: Colourless/pale blue

Odour: Slight

Solubility: Soluble in water

pH (concentrated solution): 7.0 - 8.0

Relative Density: 1.02 - 1.10 g/cm³


ADEY is a carbon neutral company and cares about the environment. MC ZERO is classified as non-hazardous and while effectively preventing freezing in all water types, is non-toxic and biodegradable.


EN 9001 & ISO 14001

Health & Safety

Keep out of reach of children. Not to be taken internally. Avoid contact with eyes and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.