Closed System Corrosion Inhibitor Adjunct


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WTP SNITE25 contains sodium nitrite. It is a very effective corrosion inhibitor adjunct for modern air conditioning, chilled water systems, closed loop cooling systems and hot water heating boilers. It is compatible with alcohol and glycol anti-freezes. WTP SNITE25 can be used to bring systems suffering nitrite losses (for example from NRB contamination) back up to correct system reserves of nitrite.


Physical State Pale yellow liquid
SG 1.18


Dosing and Testing

1.25 litre WTP SNITE25 per cubic metre of water in system to increase nitrite (as NO2) reserve by 200ppm.

A Nitrite drop test kit is available to determine reserves in the system (WTP TK106).


WTP SNITE25 is usually added to closed systems by utilising a pot feeder, or by a manually operated chemical injection pump.


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

WTP SNITE25 is alkaline and contact with skin, eyes and clothing should be avoided. In case of contact flush with water. Please refer to material safety data sheet for detailed handling/storage instructions.



WTP SNITE25 treatments are shipped in 25 litre non returnable drums.


More Information

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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.

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