This heavy duty Lid O-ring suits all the listed pumps below.

This seal fits the following pump model & sizes: 

• CTX 180, 280, 360, 400, 500 pre July 2018 builds

• TX1HP, TX1.5HP, TX2HP, TX3HP

• CTX 180C, 280C, 360C, 400C, 500C

• E140C MKII, 170C MKII, 230C MKII

• P280 XY MKII July 2021 onwards builds

• P320 XT MKII July 2021 onwards builds