Solid All-in-one Corrosion Inhibitor


Request price




WTP CW295 is a very effective corrosion inhibitor for modern air conditioning chilled water systems, closed loop cooling systems and hot water heating boilers.

WTP CW295 contains:

  • sodium nitrite
  • buffers
  • a copper corrosion inhibitor


  • compatible with alcohol and glycol anti-freezes
  • easily applied
  • single solution treatment
  • provides economical waterside protection for mixed metal systems containing copper, brass and ferrous based metals


Physical State Solid
Colour Pale yellow


  • 1.25 kg WTP CW295 per cubic metre of water in system. (0.125% system volume)
  • Dose is added to closed systems by utilising a solids dissolver and dosing pump sized for the system volume and pressure.
  • A simple test procedure is available for control of WTP CW295, recommended normal concentration level is 800 – 1200 ppm of nitrite.


Please refer to material safety data sheet for detailed handling/storage instructions.

WTP CW295 is alkaline and contact with skin, eyes and clothing should be avoided. In case of contact flush with water.



WTP CW295 treatments are shipped in 4 kg non-returnable jars.


More Information

To enquire further about this product click here

The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The company shall not be held liable for any damage resulting from handling, contact, mis-use or mis-application of the above product. In all instances the user should satisfy themselves that this product is suitable for the anticipated application and should carry out suitable and sufficient risk/COSHH assessments and a method of use statement.

Copyright © 2010 - 2021 Water Treatment Products Ltd, All rights reserved.

Designed and built by Big Eye Deers