Please telephone for advice if unsure 01948 710699

The Autotrol 255 can generally be distinguished by the salt dial being on the side of the valve and the flapper valves have rounded rectangular tops.

The 155 flapper valves have circular tops and the salt dial is at the front of the valve.

Injectors are colour coded and chosen based on the following Criteria

155 and 255 400 series (440 and 460i are based resin volume

White - up to 25L resin bed

Blue - up to 50L resin bed

Red - up to 75L resin bed

255- Logix Series (740 and 760 clocks) are based on Cylinder Diameter

Tan = 8in

Light Purple = 9in

Light Blue = 10in

Pink K p/n 1035735= 12in

Orange L p/n 1035736 = 13-14in