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Radiant Heating

PexUniverse.com offers a large selection of brand name products for radiant heating, including PEX Tubing, Radiant Heat Manifolds, PEX Fittings & Valves, PEX Tools, PEX Heat Transfer Plates and more. We offer fast and free shipping on all orders over $250.00 (US only) and a variety of trade and volume discounts.

Oxygen Barrier PEX Tubing for Radiant Heating Applications:
Any hydronic or radiant heating project involving the use of PEX tubing has to utilize the Oxygen Barrier PEX (or PEX-AL-PEX tubing). Unlike the typical non-barrier PEX used for plumbing applications, oxygen barrier PEX tubing (a.k.a. O2 PEX, barrier PEX or EVOH PEX) has a layer of oxygen diffusion barrier, which prevents the diffusion of oxygen molecules into the system water. The need for such barrier comes from the fact that majority of all heating systems utilize cast iron parts (i.e. circulators, check valves, air scoops, boiler's heating elements, etc.) which are subject to corrosion if exposed to air (O2) bubbles.

PEX-AL-PEX Tubing:
The abbreviation stands for PEX-Aluminum-PEX, which is simply a multi-layer pipe with layer of aluminum sandwiched and bonded in between the two layer of PEX tubing. PEX-AL-PEX tubing, similar to the oxygen barrier PEX, has 100% oxygen barrier, making it usable for all radiant heating and hydrnic heating systems. The added advantages of the PEX-AL-PEX include the ability to keep it's form when bent and a significantly lower expansion ratio, which reduces the noises when pipe is installed between the joists or in subfloor.

Radiant Heat Manifolds:
As a heart of the radiant heating system, radiant heating manifolds (or simply radiant manifolds), perform the task of distributing and collecting system water throughout the radiant panel. Radiant manifolds we sell are among the best quality in the industry, are reasonably priced and are packed with features the other brand lack of.

Radiant Heat Transfer Plates:
Manufactured from aluminum and aluminum alloys, these plates help to disperse the heat produced by the PEX tubing in the radiant heating system into the surface they are attached to (such as the bottom of the subfloor). Everhot radiant heat transfer plates are Omega-shaped vs. the U-shaped as most of the other manufacturers, thus allowing for more efficient heat transfer and faster installation.

Related documents:
Designing an efficient radiant floor heating system
How to hire a radiant floor heating contractor
Radiant heating system explained: heaters and circulators
Radiant heating system explained: injection mixing
Radiant heating explained: methods of heat transfer
Radiant heating explained: history and benefits
Outdoor wooden furnaces with insulated PEX
Using solar thermal in radiant heating systems
Using geothermal heat pump for a floor radiant heating system
Zone valves in a radiant heating system

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