Volatile Oxygen Scavenger for Boilers, Steam Raising Plant & Hot Water Systems – 2561


This product is no longer available.

Recommended Replacement Accepta 2344



Accepta 2561 is a high performance, low toxicity volatile oxygen scavenger scientifically formulated for the treatment of steam boiler systems, steam raising plant and hot water systems. Accepta 2561 contains DEHA.

Accepta 2561 removes dissolved oxygen from the feed water, boiler water and condensate lines and can be used in medium pressure hot water (MPHW) systems and steam raising plant.

Accepta 2561 works to protect all the bolier system from oxygen pitting corrosion. It passivates iron and copper surfaces through the formation of protective oxide layers.

Accepta 2561 does not contribute to boiler TDS.

Accepta 2561 contains DEHA.

Product Benefits

  • High performance oxygen scavenger
  • Low toxicity
  • Protects all the system from oxygen pitting corrosion
  • Passivates iron and copper surfaces through the formation of protective oxide layers
  • does not contribute to boiler TDS

Product Properties

Composition: An aqueous solution of N,N-diethylhydroxylamine
Appearance: Colourless liquid
Specific gravity: 1.0 @20 oC
pH: 9 – 10

*Full details of the product properties are available in the Safety Data Sheet. See below.

Application & Dosage Information

For closed systems dose Accepta 2561 at 400ppm.

For steam raising plant you should consult oxygen scavenger dose rate tables.

Dose Accepta 2561 in proportion to the feed water flow with a positive displacement pump.

Accepta 2561 can be added ‘on top’ of normal sulphite or tannin based boiler water treatment programmes.

Monitor DEHA level regularly.

Control system parameters in line with B.S. 2486 : 1997

Accepta 2561 is compatible with most boiler water treatment chemicals. Do not mix Accepta 2561 neat products unless advised by Accepta.

It is always advisable to carry out a ‘Control Of Substances Hazardous to Health’ (COSHH) assessment before use.

For further technical assistance concerning Accepta 2561 please contact Accepta.

Testing & Control

Measure pH and DEHA levels using the comapator method.

Safety, Storage & Handling

For full details concerning safety precautions, storage and handling procedures for this product please refer to the latest Safety Data Sheet. To request the latest MSDS for this product please fill out the form below.

    Additional information

    Weight 25 kg