ECX270861 Boxed Pressure Gauge For Select Hayward Sand and DE Pool Filter for Pro Series S140T S144T S180T S210T S220T ECX270861 Boxed Pressure Gauge For Select Hayward Sand and D.E. Pool Filter Features: 1. Fitment: ECX270861 Boxed Pressure Gauge fits for Pro Series S140T, S144T, S180T, S210T, S220T, S220T2, S230T, S244T, S244T2, S270T, S164T, S166T, SW256T, S210S, S244S, S310S Sand Filter / Pro Series Plus S311SX, S311SXV, S360SX Sand Filter / S160T, S200, S240 Sand Filter / MicroClear Vertical Grid DE Filter S245T, S190T, SP0714T1, DE6000, DE7220 Sand Filter / Perflex EC30, EC40, EC40AC Extended-Cycle DE Filter / Super StarClear C2000, C3000, C4000, C5000 Cartridge Filte 2. Features: 1) This pressure gauge is perfect for Hayward sand filter. It's built based on Mpa & PSI measuring methods. The round dial face features easy to get accurate pressure readings, from zero to 60. brass 1/4-in threaded connections and teflon tape (package included) provide a tight seal to the filter system 2) Made of hard-wearing stainless steel housing, transparent plastic dial cover and brass 1/4-in bottom-mount connection. Its dial super clear, a just-right replacement for the clouded and cracked old pressure gauge. Moisture will NOT accumulate inside the gauge either. Designed to withstand rough, frequent and extreme weather, so you can cut back on time, effort and expenses for your outdoor pool maintenance 3) First, turn off the power. Second, unscrew the s ight glass and old pressure gauge. Then wrap Teflon tape around the threads. Finally, simply turn clockwise to reinstall. NOTE: Make sure it is plumb for accuracy and proper function Package Included: 1*ECX270861 Boxed Pressure Gauge