Homeowner Benefits

  • Helps maintain the heating’s efficiency
  • Protects against corrosion and scale
  • Extends the hydronic heating system’s lifetime
  • Helps reduce heating costs and maintenance bills

“It gives me peace of mind knowing that my system is now fully protected"

Joe Geraghty, Business Development Manager at Sweeney Rogers Geraghty Inc.

Dosage Instructions

How to use

300ml of MC1+ Rapide treats 33 gallons or up to 15 single panel radiators. Introduce MC1+ RAPIDE to the system using the adaptor provided via the radiator or any available boiler drain. For ongoing protection, MC1+ RAPIDE levels should be checked regularly during annual system service, or following any system maintenance requiring full or partial drain-down. Do not use in single feed indirect cylinders.

Technical Specifications

Physical and chemical properties

  • Appearance: Liquid
  • Colour: Yellow
  • Odour: Slight
  • Solubility: Soluble in water
  • pH (concentrated solution): 8
  • Density: 1.12 - 1.16 g/cm³

Environmental credentials

  • Non-hazardous
  • Non-toxic
  • Biodegradable


  • EN 9001 & ISO 14001

Contractor Benefits

  • Best in class formulation for mild steel protection to prevent magnetite generation
  • Every bottle of MC1+ is performance tested
  • Protects against corrosion and scale
  • Increased strength high performance inhibitor
  • Suitable for all hydronic heating systems
  • Compatible with all metals
  • MC1+ Protector will overcome any small amount of cleaner lingering in system
  • MC1+ Rapide can be injected into the system via the radiator or any available boiler drain and can be completed in as little as 20 seconds
  • Treats 33 gallons / 15 standard radiators, 25% more than similar products on the market

The ADEY® Best Practice step 4 - Protect

The ADEY® Best Practice heating system protection is a six-step process using products engineered to ensure maximum efficiency in hydronic heating systems. Watch Dr. Neil Watson explain all there is to know about step four – Protect.

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