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Two cutaway water heater tanks side by side: the left tank without an anode rod is corroded with rust and sediment, the right tank with a Chromex powered titanium anode rod holds clean, clear water Without an anode rodWith powered titanium

New anode rods & maintenance kits

The Difference Is Inside

A powered anode rod stops corrosion before it starts, keeping your water heater tank cleaner, safer, and lasting longer.

  • Cleaner Water
  • Protected Tank
  • Longer Lifespan

Choose Your Cleaning Option

Add a cleaning solution to remove buildup and keep peak performance.

Choose Your Cleaning Option

Powered titanium anode rod

For compatible 40–89 gallon tanks. Power adapter, two sockets and thread-seal tape included.

Shop powered rod · $159.99

Looking for a flexible magnesium rod?

Every package includes installation accessories.

Chromex tankless water heater flush kit with blue bucket, 1/6 HP submersible pump, hoses and descaling solution beside a wall-mounted tankless water heater

Chromex Tools

Flush Your Tankless Water Heater at Home No Plumber Needed.

Remove calcium, lime, and mineral buildup with one complete kit that includes the pump, hoses, bucket, and descaling solution.

  • Flush in 60 Minutes or Less
  • DIY-Friendly No Plumber Required
  • Complete 6-Piece SetEverything Included

Works with major tankless brands:

Compatible with Rinnai, Navien, Rheem, Bosch, Noritz and Takagi tankless water heaters

About 1 hour · 5 steps · no plumber

How to flush a tankless water heater

Prefer video? Watch it on YouTube
Step 1 of 5 · tap the + to explore
OFF ON COLD IN HOT OUT CLOSED PORTS OPEN OPEN TANKLESS WATER HEATER DESCALER KIT 1/6 HP 1/6 HP DESCALER 45:00 circulation FULL HOT WATER

Refills

Tankless water heater descaling solution

Already own a kit? One quart covers one standard flush. Most homes flush once a year, every 6 months with hard water.

Chromex Tankless Water Heater Descaling Solution | Highly Effective Descaler, 1 gallon, 128 fl oz1 gal Best match

Chromex Descaling Solution

Dissolves calcium, lime and magnesium scale in a single 45-minute treatment. More effective than vinegar and rinses out clean.

CoversAbout 4 flushes
Treatment time45 minutes
  • Dissolves calcium, lime and magnesium scale
  • More effective than vinegar, rinses out clean
  • Biodegradable and certified safe for potable water systems
  • Works with Rinnai, Navien, Noritz, Rheem and all major tankless brands
$54.14
Shop 1 Gallon
Chromex Descaling Vinegar1 gal Best match

Chromex Descaling Vinegar

A vinegar-based option for routine tankless flushes.

Strength4× household vinegar
MethodVinegar flush
  • 4× stronger than household vinegar
  • Sewer and septic safe
  • Made in the USA
$34.99
Shop 1 Gallon

Read all directions and safety precautions before use. Do not use on aluminum or magnesium surfaces.

Isopropyl alcohol (IPA)

Alcohol for the truck and the bench

Shop all alcoholEvery size and strength

Flammable liquid (UN1219, Packing Group II). Use in a ventilated space away from heat, sparks and open flame, and keep tightly capped.

Business accounts

Plumbers and service companies

Volume pricing on flush kits and descaling solution for your trucks. Apply once, order anytime.

  • Volume pricing
  • Apply once
  • Order anytime