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Spectrapak™ 311 - Boiler Water Test Kit. Compact test kit designed for medium and high pressure boiler systems. Enables you to maintain control of your boiler system water quality for protection against corrosion and scale formation. Daily testing is recommended to maintain your boiler water within the desired level of quality.

Product information

Tests included: Phosphate, P Alkalinity, Chloride & pH

Please note that oxygen scavenger testing is provided separately (Spectrapak™ 312 for Hydrazine. Spectrapak™ 313 for DEHA and Sulphite test kit for Sulphite).

Supplied with

Instruction Sheet, 1 x Comparator, 2 x 10ml Moulded Cells, 1 x 50ml Beaker, 1 x Plastic Funnel, 1 x Stirring Rod, 1 x 250ml Glass Bottle, 1 x Cleaning Brush, 1 x Box Filter Papers 9cm, 1 x Measuring Scoop, 1 x Phosphate Comparator Disc, 1 x Phosphate Test Tablets pk.100, 1 x pH Test Papers 7.5 to 14 pk.100, 1 x pH Test Papers 6.5 to 10 pk.100, 1 x pH Reagent 80g, 2 x P Alkalinity Test Tablets btl.250, 1 x Chloride Test Tablets btl. 250, 1 x M Alkalinity Test Tablets btl. 250,


  • Sturdy plastic case
  • Simple to use tests
  • Test methods included


  • Helps you to protect valuable boiler system equipment from the damaging effects of corrosion and scale formation