10 Best Inline Chlorinators 2021

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

Hayward CL200 In-line Automatic Chemical Feeder – ⭐ Best Overall Inline Chlorinator

CL200 by Hayward

  • Weight: 0.25 pounds
  • Dimensions: 0 x 0 x 0 inches
  • Warranty: 1-Year
Hayward CL200 In-line Automatic Chemical Feeder
  • Uses large or small, slow dissolving tablets
  • Dial control valve allows for easy feed rate adjustment
  • Easy-Lok threaded cover for safe and convenient access to add tablets
  • Unique finger-release catch provides extra security
  • Durable ABS body and high quality Viton seal for extended life

Pentair R171096 Rainbow 320 Automatic In-Line Chlorine/Bromine Feeder For Pool – 👑 Premium Pick

R171096 by Pentair

  • Color: Black
  • Weight: 5 pounds
  • Dimensions: 17.8 x 5 x 10 inches
  • Warranty: 1-Year
Pentair R171096 Rainbow 320 Automatic In-Line Chlorine/Bromine Feeder For Pool
  • Rainbow 320 automatic chlorine/bromine in-line pool and spa feeder
  • Holds 11 large or 98 small bromine or slow dissolving trichlor tablets
  • Treats 6,500 to 27,000 gallons bottom feed and 18,000 to 70,000 gallons top feed
  • Uses 1/4-inch feeder hoses, control valve and fittings
  • Measures 17 3/4-Inch H, 5-Inch W ,10-Inch D

Hayward CL2002S In-line Automatic Chemical Feeder

CL2002S by Hayward

  • Color: Black
  • Weight: 5.2 pounds
  • Dimensions: 14.2 x 7.1 x 15.6 inches
Hayward CL2002S In-line Automatic Chemical Feeder
  • In-Line Chlorinator for above-ground and in-ground pools and spas
  • Chemical Feeder that will automatically release chemicals so you don't have to; Unique finger-release catch provides extra security
  • Uses large or small, slow dissolving, Trichlor or Bromine tablets or sticks; Works on newly constructed or already existing pools and spas
  • Dial control valve allows for simple feed rate adjustment; Features 2" inlet and outlet ports for application with 50 gpm to 90 gpm flow rates
  • Simple installation when replacing existing chlorinator or brominator; Easy-Lok threaded cover for safe and convenient access to add tablets or sticks

Pentair R171218 Rainbow 320C Automatic In-Line Chlorine/Bromine Feeder For Pool

R171218 by Pentair

  • Color: Amber
  • Weight: 4 pounds
  • Dimensions: 10 x 5 x 17.8 inches
  • Warranty: 1-Year
Pentair R171218 Rainbow 320C Automatic In-Line Chlorine/Bromine Feeder For Pool
  • Rainbow 320 (cylinder) automatic chlorine/bromine in-line pool and spa feeder
  • Holds 11 large or 98 small bromine or slow dissolving trichlor tablets
  • Treats 6500 to 27000 gallons in a bottom feed configuration and 18000 to 70000 gallons in a top feed configuration with see-through amber body
  • Completely enclosed system, no special venting required
  • Measures 17-3/4 H x 5 W x 10 D Inches

Automatic Chlorinator for Above Ground and In-Ground Pools in-Line 4.2 – 💲 Best Budget Inline Chlorinator

ACC-CHLR-AUTO-I4 by Pooline

  • Weight: 1.81 pounds
  • Dimensions: 15 x 9 x 6 inches
Automatic Chlorinator for Above Ground and In-Ground Pools in-Line 4.2
  • Good for slow dissolve tri-chlor tablets or Bromine sticks/tabs
  • Dial control valve lets you control and adjust the rate of feed
  • Fits 3'' chlorine tablets only
  • Easy threaded cover for safe and convenient access to add tablets or sticks
  • Corrosion resistant construction for long lasting life

Custom Molded Products 25280-100-000 Complete Chlorinator

25280-100-000 by Custom Molded Products

  • Color: Clear
  • Weight: 0.25 pounds
  • Dimensions: 10.3 x 17.3 x 6.3 inches
Custom Molded Products 25280-100-000 Complete Chlorinator
  • Chlorinator, CMP, PowerClean Ultra, with Clear Glass Lid.

Rx Clear Automatic Chlorinator | for In-ground Swimming Pools |

by Rx Clear

Rx Clear Automatic Chlorinator | for In-ground Swimming Pools |
  • SAVE ON CHLORINE - Use and regulate your chlorine level effortlessly. Dial adjustment valve controls sanitizer flow. Corrosion-proof. Installs easily into existing filter system. In-Line feeders require PVC plumbing. Off-line feeders tap into the existing PVC.
  • HOLDS 9 LBS OF CHLORINE TABLETS - Small or large, slow dissolving, Trichlor tablets -Dial control valve allows for simple feed rate adjustment.
  • SIMPLE INSTALLATION - Easy-Lok threaded cover for safe access to add tablets.
  • NEVER USE - Any petroleum based lubricants on cover O-Ring. Regular lubrication is necessary to allow for easy cover removal. Use non-petroleum based lubricants such as Jack's No. 327 lube. Warranty - 1 Year.
  • CAUTION - Extreme care must be exercised when adding chemicals to your pool. Concentrated chemicals react violently if they mix in the chemical feeder, causing a fire or explosion, which may result in property damage, personal injury or death.

HydroTools by Swimline Super Premium In-Line Automatic Pool Chlorine Feeder

8750 by Swimline

  • Color: Grey/Black
  • Weight: 3 pounds
  • Dimensions: 13 x 6 x 9 inches
HydroTools by Swimline Super Premium In-Line Automatic Pool Chlorine Feeder
  • In-line Chlorinator for above-ground pools
  • Automatically release chemicals so you don't have to
  • Works with large or small, slow dissolving, Trichlor or Bromine tablets or sticks
  • Dial control valve allows for simple feed rate adjustment
  • Large capacity that can hold up to 9 pounds of chlorine or bromine

Waterway Plastics CAG004-W Clearwater in-Line Automatic Chlorinator

CAG004-W by Waterway Plastics

  • Color: Black
  • Weight: 0.03 pounds
  • Dimensions: 1 x 1 x 1 inches
Waterway Plastics CAG004-W Clearwater in-Line Automatic Chlorinator
  • Part # CAG004-W
  • For Above Ground Pool
  • Made in the USA

Custom 25280-100-000 Ultra In-Line Chlorinator w/ Clear Glass Lid

CMP25280100 by Custom Molded Products

Custom 25280-100-000 Ultra In-Line Chlorinator w/ Clear Glass Lid
  • Treat pools from 5,000 to 50,000 gallons
  • Clear glass lid for easy serviceability
  • Built in flow meter for easy adjustment
  • No external hoses
  • Built in flow meter for easy adjustment

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