Primary cleaning mechanical premium grade water filter BWT E1


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  • Brand – BWT
  • Made in Austria

construction features and of work principles

Filter F1 3/4″ – 1 ¼ – is intended for cleaning drinking and domestic pipelines from insoluble mechanical particles whose size does not exceed 2 mm. The device is equipped with a filter element that traps rust, sawdust and other impurities. For highly polluted water, it is recommended to install a special filter element. Filter F1 3/4″ – 1 ¼ protects the pipeline from damage and corrosion. It is intended only for cold water, which does not mix grease and chemical reagents. It is necessary to wash the cartridge once every 1-2 months depending on the quality of the initial year, and it is recommended to change it every 6 months. It is designed for cleaning only cold water, the temperature should not exceed +30 degrees.

The construction has several important features and advantages:

  • The filter is washed manually and does not require electricity consumption
  • In the process of flushing through the suction system, the filter is cleaned of all accumulated particles and its efficiency is not weakened
  • Changes in 6-12 months (depending on initial water quality)


Filter F1 3/4″ – 1 ¼ 3/4 1 11/4
connection 20 25 32
Performance in the case of Др = 0.2 бор 3,0 3,5 4,0
selectivity 100 100 100
nominal pressure (PN) 16 16 16
Discharge pressure after the reducer 2-6 2-6 2-6
Ambient temperature min / max 5/30-5/40 5/30-5/40 5/30-5/40
Mounting length with screw RF/HWS 184/184 184/184 203/228
Installation length without screws С RF/HWS 100/100 100/100 105/130
height А, min. The distance from the center of the pipe to the floor В 393/350 393/350 393/350
Weight, in working condition (approximate) 2,4 2,4 2,7