Uneven distribution of the scale causes localised over-heating of the system water to form steam bubbles that collapse noisily when they reach cooler water. In fact adding Sentinel X200 to the system already containing Sentinel X100 is recommended for best protection!īoiler noise, sometimes called "kettling", is caused by build up of scale on the heat exchanger in the boiler. Yes!! Sentinel X100 and Sentinel X200 are entirely compatible with each other. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Ĭan I add Sentinel X200 if Sentinel X100 is already present in the system? If irritation develops, seek medical attention Wash out empty container thoroughly with water before disposalįlush spillage with plenty of water and wash to wasteĪfter contact with skin, wash immediately with plenty of water. Sentinel X200 Boiler Noise Reducer for Central Heating SystemsĪn aqueous solution of synthetic polymers, phosphonate and surfactant If full, use a dosing vessel to inject via the filling loop or other access point. Sealed Systems: If the system is empty, add to any convenient point before filling. Open Systems: Dose via F&E cistern, via a by-pass feeder or use a dosing vessel. The water should also be treated with Sentinel X100 inhibitor, or Sentinel X500 inhibited antifreeze. Sentinel X200 should be left in the system. In extremely severe cases, a further dose of Sentinel X200 may be necessary. The time taken for boiler noise to reduce/be eliminated will depend on the hardness and quantity of lime scale present. Larger systems should be dosed at 1% of system volume. One quart of Sentinel X200 is sufficient to treat a typical residential system of up to 25 gallons. It is important to check for these before seeking a chemical solution.īoiler noise can also be caused by sludge (e.g., iron oxide corrosion debris), in which case, the system should be cleansed with Sentinel X400 System Restorer. Many noise problems are caused by system design or mechanical faults. Sentinel X200 is extremely successful in reducing noise problems caused by the presence of limescale on the heat exchanger surface, and restoring boiler efficiency. Unlike alternative treatments, Sentinel X200 is added to the system and left there without causing any problems. Sentinel X200 is a non-acid product which has been formulated for the treatment of kettling in central heating boilers caused by limescale. Sentinel X200 boiler noise reducer is a unique, life-long system treatment for the elimination boiler noise. Safe to use in all types of indirect central heating systems, X200 noise reducer will quickly pay for itself in reduced fuel usage.
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