LASCO Fittings manufactures Schedule 40, Schedule 80, Insert, CTS, DWV, Irrigation and Swing Joints to strict industry standards with an earned reputation for product quality, innovation and technical leadership.

LASCO Fittings specializes in the production of PVC and CPVC injection molded fittings

LASCO Fittings, Inc. specializes in the production of PVC and CPVC injection molded fittings for irrigation, plumbing, industrial, pool/spa & retail markets. With over 65 years experience, LASCO manufactures a broad spectrum of PVC fittings for a wide range of projects relied upon worldwide. LASCO fittings can be found in applications from industrial cooling and process water to aggressive chemical transfer in chemical processing; from aquaculture and aquarium applications to wastewater treatment; from  residential and commercial water plumbing systems to the pool and spa industry. 

LASCO Fittings, Inc. operates a 26-acre manufacturing facility in Brownsville, Tennessee, producing PVC pipe fittings such as: swivel joints and insert fittings, nipples, valves, twisters and thread adjusters. 

The Harrington Difference
Providing over 60 years of exceptional service

Harrington is an LASCO Fittings distributor of various products. Call our toll-free number at 1-800-213-4528 and you will be connected to a live person – not a recording. You can also use the contact form below for any questions regarding our line of LASCO products.

Water & Waste Water

LASCO PVC & CPVC fittings and supplied valves used in raw, potable, RO, or DI water applications provide a safe, reliable, corrosion resistant solution for the conveyance of drinking water and other water delivery systems. On the wastewater treatment side, the inherent chemical resistance of LASCO PVC & CPVC fittings and valves can provide reliable solutions for use in sodium hypochlorite and other chemical applications used for chemical dosing, disinfection, oxidation, pH control and other water treatment applications. LASCO fittings can also be found in filtration, aeration, dewatering, raw product transfer and other applications where corrosion resistance and reliability is necessary. Tough durable products designed for use in demanding applications; third party validated for conformance to industry standards.

Irrigation / Golf

LASCO manufactures a broad spectrum of PVC fittings for Golf and Irrigation applications, including Swing and Swivel Joints (which we invented), Inserts, Push Fittings, Nipples, Manifold Systems, Taps and Transition Fittings for PE piping, Repair Couplings and Inserts. We also understand the unique challenges of irrigation applications and have the know-how and experience to provide helpful technical and product application advice.

Industrial & Chemical Processing

LASCO PVC & CPVC Sch 80 fittings and supplied valves can be relied upon for the safe transport of harsh chemicals in extremely corrosive environments found in many industrial and chemical processing industries. LASCO fittings can be found in applications from industrial cooling and process water to aggressive chemical transfer in chemical processing, industrial waste, chlor-alkali, and many other corrosive environments. 

Pool / Spa

LASCO specializes in the production of quality injection molded fittings frequently relied upon in the residential and commercial pool and spa industry. In addition to our extensive range of PVC Sch 40 & Sch 80 pressure fittings and valves commonly used in the construction of these systems, LASCO also produces specialty components to address the specific needs of the pool and spa industry. One example is our energy efficient molded pool sweep fittings. These unique fittings can offer from 40% to 60% reduction in head loss over conventional fittings resulting in less energy use. A variety of pool/spa hose adapters, wyes and venturi tees are additional examples of LASCO’s ability to provide innovative specialty components for this important market.


LASCO offers an extensive range of PVC & ABS DWV fittings for drainage applications, PVC Schedule 40 & Schedule 80 pressure fittings, as well as CPVC Sch 80 and CTS fittings for residential and commercial hot and cold water plumbing systems. All products are designed, manufactured and third party certified to meet applicable ASTM standards to ensure trouble-free installation and reliable long term performance.

Aquarium / Waterpark

LASCO PVC Sch 40 & Sch 80 injection molded fittings and supplied PVC valves provide safe reliable piping system components for use in sensitive life support systems (LSS) found in aquaculture and aquarium applications.  Cleanliness and inherent corrosion resistance of LASCO products provide ideal solutions for the conveyance of fresh, salt, and brackish water used to help support marine life in a large variety of applications.  LASCO large diameter injection molded Sch 40 & Sch 80 pressure fittings through 12” diameters also provide a cost effective solution of systems requiring the movement of high volumes of water such as those found in waterparks, commercial pools, and other large water features.  LASCO remains committed to providing durable quality products for use in these important industries.


LASCO Fittings has recently launched their line of ABS DWV products. This new comprehensive product line has over 225 SKU’s in inventory. These are available for immediate shipment from their distribution centers across the United States in sizes ranging from 1-1/4″ to 6″. LASCO’S ABS DWV line of fittings comply with the Uniform Plumbing Code, National Plumbing Code of Canada and are certified to ASTM D2661, NSF/ANSI 14 and CSA B181.1.


Corrosion resistant injection molded ABS pipe fittings, IPS sizes 1-1/4” through 6” produced to DWV dimensions for use at temperatures up to and including 140°F. Fittings are intended for use in non-pressure sanitary drain, waste and vent (DWV), sewer, storm drainage, and other gravity fed drainage applications. LASCO ABS DWV fittings are in compliance with both the Uniform Plumbing Code and the National Plumbing Code of Canada. 

ABS DWV fittings are generally resistant to most household chemicals and cleaners, as well as corrosive and abrasive liquids commonly found in industrial applications. Chemical resistance data must be referenced by the design authority for proper material selection prior to use in any special systems involving chemical drainage.


This specification establishes minimum manufacturing requirements for Acrylonitrile-Butadiene-Styrene (ABS) drain, waste, and vent (DWV) fittings. These fittings are intended for use in non-pressure applications where the temperature of the fluid conveyed does not exceed 140 °F. These fittings meet or exceed the industry standards set forth by the American Society for Testing and Materials (ASTM), CSA Group (CSA), and NSF International ANSI/NSF Standard 14.


The materials used in the manufacturing of the fittings shall be an Acrylonitrile-Butadiene-Styrene (ABS) compound having a Cell Classification of 32222 per ASTM D3965

Buy your next LASCO fittings from Harrington and experience the difference.

Can’t find what you’re looking for?

Call our toll-free number at 1-800-213-4528 and you will be connected to a live person – not a recording. You can also use the contact form above for any questions regarding LASCO products.