Solutions for Water Treatment

Water Treatment Products

Harrington Industrial Plastics proudly offers a wide range of water treatment products to meet the most demanding process requirements. Our fully stocked sales locations carry a broad selection of high-quality corrosion-resistant piping systems, valves and automation, containment systems and fiberglass products. Our technically trained sales staff is available to provide the knowledge and expertise needed to meet the diverse specifications of the water treatment industry.

Harrington is here to support your needs and help you keep your critical systems running. A Harrington representative is available to you 24 hours a day, 7 days a week. For further information on our water treatment products or our products and services, please call 1-800-213-4528 or use our contact form.

+GF+ Signet Turbidimeter

  • Simple and easy one-unit installation with built-in pressure regulator
  • Easy access for wiring and maintenance
  • Inexpensive standards allow for multiple system calibration
  • Convenient cuvette holder
  • Programmable 4-20 mA output
  • Ultrasonic cleaning option
  • Compliant EPA 180.1
  • Two alarm relays
  • Bright backlit display
Harrington Industrial Plastics - +GF+ Signet Turbidimeter
Harrington Industrial Plastics - Finish Thompson Magnetic Drive Pumps KC Series

Finish Thompson Magnetic Drive Pumps KC Series

  • Up to 10 hp, maximum 151 ft. head, or 241gpm flow
  • Maximum discharge pressure not to exceed 70 psi
  • Powerful neodymium rare-earth magnets
  • Runs dry up to 10 minutes with carbon bushings
  • Leak-proof and sealless
  • Back pullout design for easy access to internal parts without disturbing piping system
  • Standard PTFE O-ring; EPDM optional
  • Open impeller provides higher flow rates and lower heads. Closed impeller provides higher heads and greater efficiency

Signet 8900 Multi-Parameter Meter​


  • Color coded for compressed air (light blue)
  • 100% leak free from a correctly made solvent joint
  • Easy to handle—1/8th the weight of steel
  • Quick to join by solvent welding
  • Speed of installation—no special equipment required
  • Tough and ductile
  • Metric sized; equivalent inch sizes are: 20 (1/2”), 25 (3/4”), 32 (1”), 50 (1-1/2”), 63 (2”), 90 (3”), 110 (4”)
  • 6″ & 8″ are IPS-sized, gray in color, with pressure ratings of 180 psi and 145 psi respectively

Compatible Units:

  • 515 Rotor-X flow 
  • 525 Metalex flow
  • 2000 Micro-flow
  • 2100 Turbine flow 
  • 2350 Temperature 
  • 2450 Pressure 
  • 2507 Mini-flow 
  • 2517 Brass flow 
  • 2536 Rotor-X flow 
  • 2540 SS flow 
  • 2552 Electromagnetic 
  • 2750 DryLoc sensor 
  • 2850 Conductivity 
  • 7000 Vortex flow
  • 8058 Signal converter 
  • 8059 External relay module
Harrington Industrial Plastics - Aquatic Signet
Harrington Industrial Plastics - Snyder Tanks Industrial Tanks

Snyder Tanks Industrial Tanks

  • XLPE (cross-linked polyethylene) tanks are available up to 16,500-gallon capacity
  • HDLPE (high density linear polyethylene) tanks are available up to 16,500-gallon capacity
  • 1,000-gallon tanks, and larger, available in various wall thicknesses, engineered for 1.35, 1.5 and 1.9 (ASTM) specific gravity solutions
  • Tanks up to 1,000 gallons have a standard wall thickness and are engineered for 1.9 specific gravity
  • Standard color is natural. Also available in black or opaque white resin 880059 for sodium hypochlorite
  • Accessory packages, engineering and seismic restraint systems available

Double Containment Piping

Contamination of the environment do to chemicals leaking from piping systems is a major concern. But there is a solution. Harrington is helping to keep the environment clean and safe by offering field proven double containment piping systems such as: Asahi’s Dou-Pro, Chem-Prolok and Poly-Flo systems, IPEX’s Guardian Double containment and Encase systems, and GF’s Contain-It system. These and other reliable systems for hazardous chemicals are available from Harrington.

Harrington Industrial Plastics - Double Wall Piping
Harrington Industrial Plastics - Double Wall Piping

+GF+ Signet Chlorine Analyzer

The Signet 4630 Chlorine Analyzer System is an integrated, all-in-one system designed to measure free chlorine in applications with stable pH, temperature and chlorine levels (-20 version). The system allows quick setup and easy installation.

  • Water distribution
  • Ground water
  • Surface water
  • HVAC applications (cooling water)
  • Boiler feed water
  • Gray water  dechlorination
  • Food and beverage
  • RO membrane protection
  • Swimming pools
  • Aquariums
  • Water parks
Harrington Industrial Plastics - +GF+ Signet Chlorine Analyzer