Air Tree Canada | 3M™ Scale Inhibition Treatment System
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3M™ Scale Inhibition Treatment System



The 3M™ Scale Inhibition Treatment System helps extend the life of appliances that use hot water (e.g., water heaters and washing machines) and plumbing fixtures (e.g., faucets and shower heads). It balances acidic water conditions, lowering scale build-up and corrosion of pipes and fixtures. Scale build up inside pipes is what causes loss of water pressure because the inside of the pipe gets smaller and smaller over time. Less scale and corrosion means that water using appliances will last longer, require fewer repairs and will work more efficiently


  • Reduces scale to help extend the life of appliances which use hot water
  • Helps protect against scale build up inside pipes, which can cause low water pressure
  • Easy cartridge replacement — screws on and off
  • Does not affect septic systems


Additional Information

Reduction Claims Scale
Dimensions 10.25″ x 2.75″ (26 cm x 7 cm)
Temperature Range 40 – 100°F (4.4 – 37.8°C)
Pressure Range 25 – 125 psi (172 – 862 kPa)
Flow Rate 10 gpm (37.9 lpm)
Replacement Filter 3MPF431
Replacement Interval 6 months
Installation Manual 3MPF430_manual.pdf
Specification Sheet 3MPF430_spec.pdf
Video Link


Installation Difficulty

Novice Installation Skills Intermediate Installation Skills Advanced Installation Skills Professional Installation

Skills Needed

  • Professional installation required

Parts and Materials Included

  • Filter Head
  • 3MPF431 Cartridge

Items Required (not included)

  • (1) 3/4″ Stop & Waste Valve (Compression Type)
  • PTFE Tape
  • (2) 3/4″ NPT Male x 3/4″ Street Adapter
  • (1) 3/4″ Compression Gate Valve
  • Pipe Cutter
  • Adjustable Pipe Wrench