Boiler Water Test Kit


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This comprehensive kit contains all the tests you need to keep your boiler working as efficiently as possible. This includes the Alkalinity test which helps prevent the build-up of scale and the tests for oxygen scavengers Tannin and Sulphite which help prevent corrosion. Testing for these parameters as a preventative measure not only saves money on repairs; but also decreases the running cost of the boiler, as the boiler’s efficiency decreases as scale builds-up.

Our Boiler Water Test Kit tests the following parameters:

  • Alkalinity Drop test method. Range 80-2400ppm
  • Total Hardness Drop test method. Range 0-1200ppm
  • Sulphite Drop test method. Range 12.5-300ppm
  • Tannin Drop test method. Range 50-300ppm
  • Phosphate Comparator method. Range 0-100ppm.

Click onto selected tests to find the different options of purchasing replacement reagents – whether it is individual reagents you need or a set sold at a discount as a Reagent Pack.

In addition to the reagents, the Boiler Water Test Kit also contains a sample pot, syringe, comparator, Phosphate HR disc and filter papers and holder.

Product Data

Reagent Product Code Product Description
PA1 WTPTKPA1 P & OH Alkalinity Indicator
PA2/TA2 WTPTKPA2TA2 HR Alkalinity Titrant
PA3 WTPTKPA3 OH Alkalinity Buffer
TA3 WTPTKTA3 LR Alkalinity Titrant
TA4 WTPTKTA4 M Alkalinity Indicator
TH2 WTPTKTH2 Total Hardness Buffer
TH3 WTPTKTH3 LR Hardness Titrant
TH4 WTPTKTH4 HR Hardness Titrant
TH5 WTPTKTH5 Total Hardness Indicator
S1 WTPTKS1 Sulphite Indicator
S2 WTPTKS2 Sulphite Titrant
TN1 WTPTKTN1 Tannin Indicator
TN2 WTPTKTN2 Tannin Titrant
PO4  HR Tablets WTPTKPHR/50T Phosphate HR tablets





Our Test Kits can be ordered individually or in bulk. They can be delivered alongside your WTP Chemicals’ order saving you additional delivery charges. Next working day delivery only £8.49 (up to 20kg); mainland UK only.


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