Shelton Winnelson - We GOT IT!

850,000 SQ FT Warehouse Space

65,000+ SKUS

18,000+ Orders Processed Per Month

$34,000,000 Inventory Managed

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Design & Build Specialists

Equipment Take-Off's for Bid & Spec

Private Water Products & Design

Heat Loss Assessments

Radiant Heat Systems

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Winbath Showroom

Call 203-925-7603 for an appointment!

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Design Advice

Installation & Application Advice

Rebates & Customer Profitability

Training Opportunities


In the simplest terms, Winsupply of Shelton just takes great care of me. There is no need to hunt anything down or follow up. I have the confidence in them to just get things done accurately.

Jason Neri, DEF

If there is something that we need that they don’t have in stock, they come up with different solutions to meet our customers’ needs.

Nicole Saez, DSO Mechanical

We can count on them to provide the products that we need in an emergency situation, even if it’s in the evening or a holiday weekend.”

Fran Delaney, West State Mechanical

Read more testimonials from our customers!


Call the design & build specialists who can assist you with private water products & design, heat loss assessments, radiant heat systems & more!


Take a look at a selection of some of our current projects, training efforts and case studies at Winsupply of Shelton.


With over 65,000 SKUS and over 850,000 square feet of warehouse space, Winsupply of Shelton has all the parts you need to get the job done.

Our Team

We offer world class service, expertise and training opportunities to our customers through our sales & counter teams.

Upcoming Events at Winsupply of Shelton

Trainings are for licensed plumbing, heating, and HVAC contractors only.

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Plumbing and Heating Supply Center


The Products You Need

  • Heating

    Winsupply of Shelton carries the heating products you need, from radiant heating PEX tubing, boilers, water heaters and more!

  • Plumbing

    Looking for the right plumbing parts for your project?  Winsupply of Shelton carries jet pumps, fittings, water tanks, recirculators and so much more!

  • Kitchen & Bath

    We carry premium, brand name toilets, sinks, faucets and so much more to make your kitchen or bath designs perfect.

With over 65,000 SKUS, 850,000 SQ FT of warehouse space & our Triple-A guaranteed availability of the 30 SKUs that are among the most essential and commonly ordered items, Winsupply of Shelton is the plumbing and heating design center that has the products you need to get the job done.

Our Services


Design & Build Specialists

  • Hydronic System Design

    Our sales teams have the experience and expertise to help you design the perfect hydronic heating system.

  • Heat Loss Assessments

    Our staff of professionals can assist with heat loss assessments and analysis and help you find the right solutions to help prevent heat loss.

  • Radiant Heat Systems

    If you’re considering a Radiant Heat System call the staff at Winsupply of Shelton and benefit from their experience and design expertise.

  • Commercial Water Heater Deliveries

    We bring the heat! Commercial water heaters delivered 24/7. Delivery guaranteed in 4 hours or less or pick-up available in 1 hour.

Learn more about how the design and build specialists at Winsupply of Shelton can help make your project a success!

What our clients are saying

Stephen Lein Jr

quotesI’m a plumbing contractor and have been doing business with Prisco for over 5 years. Prisco is a well known seasoned professional in the industry. Everyone has a “go-to” guy in their respective field and Prisco is that guy.

Stephen Lein JrOwner, Balanced PropertiesBalanced Properties
Scott Felladore

quotesPrisco has helped me numerous times on boiler and radiant heating jobs with his years of experience as well as his access to quality products.

Scott FelladoreProject Manager, Ferguson MechanicalFerguson Mechanical
Francis Delaney

quotesI consider it an honor to recommend Prisco Panza and Winsupply of Shelton. Prisco personifies the term “Gentleman” in his professionalism and his knowledge of the trade, Most importantly, he imbues his attributes on all of her peraonel, making it a pleasure to do business with anyone in the company. I consider Prisco and Winsupply of Shelton to be one of my company’s most important partners in the performance of my work and commend him for the superlative operations in his company.

Francis DelaneyPresident, West State Mechanical Inc.West State Mechanical
Sean Brown

quotesI have worked with Prisco on seveal occasions. He has done an excellent job in engineering systems for us in the heating field (Radiant,Hydronic and Steam). We have also purchased plumbing fixtures from him and found the quality and price to be excellent. I would recommend using Prisco(Winsupply of Shelton) for all of your Plumbing and Heating needs. He and his entire staff have always treated us in the most professional manner; they are great bussiness partners.

Sean BrownClient
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