Pentair Rainbow O-Ring, Cap & Extension | Model 300 Series Automatic Feeder | R172009Z C9407 100 ppm CYA

100 ppm CYA

pool chemicals

7 HP HCP2500VSP Hayward TriStar VS Pump

Pentair Part Number 78887700 Description Vinyl Mounting Bracket Assembly

Eco-Pur systems span multiple model years and configurations — always confirm the overall length (OAL) of your existing cartridge matches 13 1/2" before ordering to ensure a correct fit

Pentair Rainbow O-Ring, Cap & Extension | Model 300 Series Automatic Feeder | R172009Z C9407 100 ppm CYAThe Pentair Rainbow O Ring (R172009Z) is the OEM replacement cap and extension O ring for the Rainbow Model 300 Series Automatic Chemical Feeders, including the 300 29X Commercial Size Feeder, the 320 In Line Automatic Feeder, and Rainbow 10" and 20" Extension assemblies. IMPORTANT: LUBRICATION REQUIRED SOLD SEPARATELY Always lubricate this O ring with a silicone based lubricant before installation. We carry the Pentair R172351 Lifeguard Silicone