Test Nitrite levels easily and accurately just like the lab! This test kit is designed to test the Nitrite levels in your boiler fill water.  It is an easy and accurate means to determine the level or amount of Nitrite in your system. Testing Nitrite on your own, ensures you are meeting your Wood Boiler Manufacturer’s warranty program in order to comply with their warranty requirements in regards to boiler corrosion protection.  As well as keeping your boiler water at its optimal chemical balance. Proper chemical levels within your system are essential to its performance and system protection.  Test your boiler water before you send it in to the manufacturers lab and ensure you get the full warranty on your unit.  This test kit works only with our ProTech300 and AmTech300 Boiler Treatments.