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Featured Categories
  • PEX Tubing
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    Oxygen Barrier PEX Tubing:
    Used for radiant floor heating applications, hydronic heating (baseboards, radiators, fan coils), snow melting, outdoor wood boilers and many other types of regular closed loop heating systems. This PEX tubing type is designed to protect the cast iron components of the heating system from corrosion, improve efficiency and reduce maintenance costs. Manufactured to ASTM F876/F877, CSA B137.5, DIN 4726 & NSF 14 standards and certified for radiant floor heating applications. Available in sizes 3/8", 1/2", 5/8:, 3/4" and 1" and various coil lengths.
    Non-Barrier PEX Tubing:
    The non-barrier PEX tubing type (commonly called "PEX pipe") is for use in traditional hot and cold water plumbing applications. PEX pipe comes in either red or blue colors for use with hot or cold water respectively and also can be used for open-loop type heating projects. Manufactured to ASTM F876/F877/F2023, CSA B137.5, NSF 14 and certified for potable water use and chlorinated water use. PEX pipe is available in sizes 3/8", 1/2", 3/4", 1" and 1-1/4" and various coil lengths.
    PEX-AL-PEX Tubing:
    PEX-AL-PEX has all the advantages of both Barrier and Non-Barrier PEX tubing, including the 100% oxygen barrier plus the memory feature, which allows the tubing to keep its' shape when bent. This feature saves installation time, labor and reduces the amount of materials used in the process. Manufactured to ASTM F1281, CSA B137.10, and is also certified for potable water use. Available in 1/2" size and various coil lengths.
    OxyPex Tubing:
    Made in Canada by Bow, OxyPex is the Oxygen Barrier type PEX tubing and as with Everhot PEX, is a PEX-B type tubing. Used for radiant floor heating applications and is also approved for potable water usage. Additionally, OxyPex has one of the highest UV resistance ratings in the industry.
  • Pumps
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    Taco Pumps:
    Taco manufactures one of the most advanced, energy efficient and extensive varieties of circulator pumps in the world. A signature green color used for all Taco pumps (circulators) is commonly found in a boiler room of nearly every home in the country. From basic one-speed circulator pumps, to zone circulators and variable speed circulators - Taco pumps are the #1 choice of professionals in the industry.
    Grundfos Pumps:
    Grundfos in the world's leading manufacturer of circulator pumps, wastewater pumps, jet pumps (booster pumps), well pumps and many others. Among the most popular Grundfos pumps are the Comfort series hot water recirculation pumps, single speed UP, 3-speed UPS models and the recently added variable speed Grundfos Aplha. Grundfos pumps come in signature dark red color and are available in a large variety of models for heating and hot water recirculation applications.
    Little Giant Pumps:
    When it comes to wastewater pumps, condensate pumps and magnetic drive pumps, no other manufacturer has a more extensive selection, industry experience and expertise than Little Giant Pumps (Franklin Electric). Little Giant Pumps include a large variety of pump types and models to accommodate any water/wastewater/condensate handling needs: sump pumps, sewage pumps and ejector systems, water removal systems, utility pumps, condensate pumps, magnetic drive pumps and many others.
    Liberty Pumps:
    Liberty Pumps is a US manufacturer of innovative, high quality and energy efficient pumps primarily for water and wastewater handling applications in residential and commercial markets. Liberty Pumps also produces an array of patented and industry leading products such as SJ10 sump backup system, SBX complete sump system and many more. Other products from Liberty Pumps include sump pumps, sewage pumps, effluent pumps, sewage ejector systems, utility pumps and others. When quality is the main priority, Liberty Pumps is the best choice.
  • Valves & Controls
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    Plumbing Valves:
    PexUniverse.com offers all the basic plumbing valves required for any typical installation - from standard ball valves in sizes up to 2", to check valves, gate valves, gas ball valves, frost free sillcocks (garden faucets), stop valves and many others - we have the right valve for any project.
    Heating Valves:
    Manufacturers featured in this category include Honeywell and Taco with products ranging from 2-way and 3-way Zone Valves, to Mixing Valves, Pressure Reducing Valves, Boiler Fill Valves, Gas Valves and others. From retrofitting to new projects, we offer nearly every type of valve for hydronic and radiant heating applications.
    Controls:
    Taco Controls included in this category include Switching Relays, Zone Valve Control modules, Boiler Reset Control, Low Water Cutoffs and Automatic Water Feeders. Honeywell Controls listed include Aquastats, Switching Relays, Aquastat Relays, TrueZone Controls and many others. Both manufacturers offer the latest technology in zoning, system control and monitoring combined with ease of installation and maintenance-free operation.
  • PEX Manifolds
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    Radiant Heat Manifolds:
    For the best radiant heat manifolds in the industry, choose Everhot's stainless steel or brass manifolds. All the features needed for system balancing, monitoring and maintenance are implemented into a single, easy to set up and use product. Everhot radiant heat manifolds are sold in pairs and include free 1/2" PEX tubing adapters.
    PEX Plumbing Manifolds:
    Sioux Chief PEX Manifolds are made in USA from highest grade copper and set the industry standard for simplicity and reliability of PEX plumbing products. With connections ranging from 1/2" all the way up to 1-1/2" and branch sizes up to 12 ports, PexUniverse.com offers the largest selection of Sioux Chief PEX manifolds on the internet.


  • Water Heaters
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    Takagi Tankless Water Heaters:
    Takagi was among the first manufacturers to introduce energy efficient gas tankless water heaters to the US market and now is among the leading brand names in the industry. Takagi line of water heaters include products for propane and natural gas fuel types, indoor and outdoor applications and residential/commercial use. Affordable, easy-to-use and install, selected models of Takagi tankless water heaters also qualify for Tax Credit.
    Stiebel Eltron Tankless Water Heaters:
    If searching for the highest quality and best return on investment when buying an electric tankless water heater, Stiebel Eltron's Tempra tankless is the #1 in the list. Not only Tempra is the most technologically advanced tankless water heater on the market, it also helps to save on utility bills by eliminating constant water reheating.
Popular Products
Radiant Heating
PEX Plumbing
Heating Supplies
Plumbing Supplies
  • Oxygen Barrier PEX Tubing
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    Oxygen Barrier PEX Tubing:
    Barrier PEX tubing is used for radiant floor heating projects (subfloor, concrete slabs), snow melting, baseboards, radiators, fan coils, wood boilers and other heating type applications.
  • Radiant Heat Manifolds
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    Radiant Heat Manifolds:
    All the necessary features to install, monitor and control a radiant heating system are implemented into a single radiant heat manifold set: shutoff valves, balancing valves, flow indicators, air vents, drain valves and much more.
  • Heat Transfer Plates
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    Heat Transfer Plates:
    Radiant heat transfer plates are manufactured from aluminum and allow to distribute the heat from PEX tubing across the flooring surface more evenly and at a lower supply temperature.
  • Installation Accessories
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    Installation Accessories:
    From the most common tube talons and pipe clamps, to bend supports, mesh clips and PEX rails - find any accessory needed to install and secure oxygen barrier PEX tubing and PEX-AL-PEX tubing.
Browse our extensive product selection for any radiant heating project type or size. We carry all the parts needed for installation, testing and maintenance of a radiant heating system. Additional product lines include Installation Accessories, PEX Rails and PEX-AL-PEX tubing. Radiant Heating controls can be found in Honeywell & Taco Controls section.
  • Non-Barrier PEX Tubing
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    Non-Barrier PEX Tubing:
    Non-Barrier PEX Tubing (also called PEX Pipe) is used for traditional plumbing projects and is available in red or blue colors for use in hot or cold water lines respectively. Compatible with crimp, clamp and push-fit connection methods.
  • PEX Fittings
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    PEX Fittings:
    Brass PEX Fittings are an essential part of any plumbing project. PexUniverse.com has the largest selection of crimp style PEX fittings in sizes ranging from 3/8" all the way up to 1" at competitive prices. For use with PEX tools and PEX pipe of proper size.
  • PEX Manifolds for Plumbing
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    PEX Manifolds for Plumbing:
    A wide variety of Sioux Chief PEX manifolds make plumbing projects easier and faster. Models available from basic 3-branch models with 3/4" trunk, to 12-branch models with up to 1-1/2" trunk size.
  • PEX Tools
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    PEX Tools:
    All the PEX tools and PEX rings needed to install PEX tubing & PEX fittings can be found in this category: Crimp Tools and Crimp Rings, Cinch (Clamp) Tools and Stainless Steel PEX Clamps, Clip Guns and Clips, etc.
All the plumbing supplies for your next PEX project can be located in the PEX Plumbing Supplies category. We have all the parts - from fittings and pipe, to manifolds and installation accessories. Other popular products include PEX Accessories (talons, clips) and Sioux Chief Outlet Boxes for washing machines, ice makers and gas appliances.
  • Heating Valves
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    Heating Valves:
    This section contains products such as Taco Zone Valves, Honeywell Zone Valves, Taco Mixing Valves, Honeywell Mixing Valves, Geothermal Valves, Honeywell Gas Valves and many others.
  • Controls
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    Controls:
    All the zoning controls and much more can be found in this category: Taco Switching Relays, Honeywell Aquastats, Relays, Taco Zone Valve Control modules, Low Water Cutoffs, Honeywell TrueZONE system, Taco Boiler Reset Controls, etc.
  • Circulator Pumps
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    Circulator Pumps:
    We have the right size Taco Pumps and Grundfos Pumps (circulators) to fit any project type or size. Both Taco pumps and Grundfos pumps are available with single speed, 3-speed and variable speed motor options.
  • Honeywell Thermostats
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    Honeywell Thermostats:
    Honeywell offers a wide selection of thermostats ranging from basic digital and mechanical non-programmable thermostats, to color touchscreen thermostats with 7-day programming features.
Browse our variety of Taco circulator pumps, Grundfos pumps as well as zone valves, mixing valves, zone controls, relays, aquastats and many others. This section also includes Amtrol Expansion Tanks, Spirovent Air Eliminators, Heat Exchangers, Honeywell Thermostats and other heating supplies.
  • Ball Valves
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    Ball Valves:
    Features such as heavy-duty pattern, full port design, PTFE seats, forged brass body and steel handles make Wright Valves the right ball valves for any plumbing or heating project. Available in sizes 1/4", 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2" and 2".
  • Little Giant Pumps
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    Little Giant Pumps:
    There's a Little Giant pump for any water or wastewater transfer need. Browse this category for Little Giant sump pumps, sewage pumps & ejector systems, condensate pumps, utility pumps and others.
  • Tankless Water Heaters
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    Tankless Water Heaters:
    Start saving today with Takagi and Stiebel Eltron Tempra tankless water heaters. Selected models also qualify for Tax Credit and with proper use and installation may pay fro themselves in just a few years.
  • Pipe Fittings and Pipe Nipples
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    Pipe Fittings and Pipe Nipples:
    Browse our ever-expanding selection of black and brass pipe nipples, PVC fittings from Canadian manufacturer Bow and brass fittings from a nationwide leader in pipe fittings - Matco-Norca.
All the essentials for a plumbing project are listed in this category - ball valves, check valves, frost free sillcocks, gas valves, outlet stop valves, pipe fittings & pipe nipples, tankless water heaters (Stiebel Eltron & Takagi), utility, sewer and sump pumps (Little Giant) and much more. Discounts are available for volume purchases.
Learning Center
A comprehensive guide covers the basics you should consider when shopping for a radiant heat manifold.
Learn how aluminum heat transfer plates can improve the efficiency and comfort produced by your radiant heating system.
This illustrated, step-by-step tutorial explains how a proper PEX crimp connection is made.
A, B or C - what are they and which one do you need? Read our overview of all 3 PEX pipe types.
A 5-step tutorial explains how to properly calculate the head load prior to installing a radiant heating system.
Learn about the most common types of PEX fittings and connection systems used to install them.
See which PEX pipe type is right for your projects and how to tell the difference between barrier and non-barrier PEX.
Find out how installing a Spirovent air eliminator helps to improve system efficiency and reduce maintenance.
Avoid unnecessary purchase of an expansion tank by reading our easy DIY tutorial.
Learn how to properly size a Grundfos or Taco circulator pump to insure proper system's performace.
Variety of venting parts causing a confusion? Check out this article on installing a gas tankless water heater.
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