Radiant Tubing

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We carry a wide selection of radiant tubing for your radiant heating system. We offer multiple radiant tubing types, including PEX, PEX-AL-PEX, and Onix. Shop our selection of radiant tubing now.
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Model Number RL06-200-OR is the Number 1 Seller
Watts Radiant - RL06-200-OR - 3/8" PEX-AL-PEX Tubing - 200' Length - Orange - Order Number: 81011133
38% Buy This
$116.00
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Model Number 086061-200 is the Number 2 Seller
Watts Radiant - 086061-200 - 3/8" Onix Radiant Tubing - 200' Length - Order Number: 81001560
31% Buy This
$334.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Model Number RL0508-1000-OR is the Number 3 Seller
Watts Radiant - RL0508-1000-OR - 1/2" PEX-AL-PEX Tubing - 1000' Length - Orange - Order Number: 81010637
6% Buy This
$820.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Model Number 11436 is the Number 4 Seller
$743.70
Only 4 In-Stock
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Watts Radiant - 086061-180 - 3/8" Onix Radiant Tubing - 180' Length - Order Number: 81001559
6% Buy This
$303.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Watts Radiant - PB032081-100 - 1/2" RadiantPEX+ Tubing - 100' Length - w/ Oxygen Barrier - Orange - Order Number: 81001680
6% Buy This
$64.00
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Watts Radiant - RL16-100-OR - 1" PEX-AL-PEX Tubing - 100' Length - Orange - Order Number: 81007610
$179.00
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Watts Radiant - RL16-300-OR - 1" PEX-AL-PEX Tubing - 300' Length - Orange - Order Number: 81007611
$594.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Watts Radiant - RL12-500-OR - 3/4" PEX-AL-PEX Tubing - 500' Length - Orange - Order Number: 81007309
$720.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Watts Radiant - PB032121-1000 - 3/4" RadiantPEX+ Tubing - 1000' Length - w/ Oxygen Barrier - Orange - Order Number: 81009868
$931.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Watts Radiant - PB032201-100 - 1-1/2" RadiantPEX Tubing - 100' Length - w/ Oxygen Barrier - Orange - Order Number: 81009994
$474.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Watts Radiant - PB032201-300 - 1-1/2" RadiantPEX Tubing - 300' Length - w/ Oxygen Barrier - Orange - Order Number: 81009995
$1,157.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Watts Radiant - PB032221-100 - 2" RadiantPEX Tubing - 100' Length - w/ Oxygen Barrier - Orange - Order Number: 81010853
$600.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Watts Radiant - PB032221-300 - 2" RadiantPEX Tubing - 300' Length - w/ Oxygen Barrier - Orange - Order Number: 81010854
$1,638.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Watts Radiant - RFS-40X160-328 - 40mm (~1.57") - Single Pipe Insulated PEX Tubing - 328' Length - 160mm Outer Jacket - Order Number: 81012929
$7,669.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Watts Radiant - RFS-50X160-328 - 50mm (~1.97") - Single Pipe Insulated PEX Tubing - 328' Length - 160mm Outer Jacket - Order Number: 81012886
$9,069.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Watts Radiant - RFS-63X160-328 - 63mm (~2.48") - Single Pipe Insulated PEX Tubing - 328' Length - 160mm Outer Jacket - Order Number: 81012887
$9,988.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Watts Radiant - RFS-75X200-328 - 75mm (~2.95") - Single Pipe Insulated PEX Tubing - 328' Length - 200mm Outer Jacket - Order Number: 81012889
$13,661.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Watts Radiant - RFS-90X200-328 - 90mm (~3.54") - Single Pipe Insulated PEX Tubing - 328' Length - 200mm Outer Jacket - Order Number: 81012890
$16,118.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Watts Radiant - RFS-110X200-328 - 110mm (~4.33") - Single Pipe Insulated PEX Tubing - 328' Length - 200mm Outer Jacket - Order Number: 81012891
$18,689.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Watts Radiant - 086081-200 - 1/2" Onix Radiant Tubing - 200' Length - Order Number: 81001579
$441.00
Only 1 In-Stock
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Watts Radiant - 086101-300 - 5/8" Onix Radiant Tubing - 300' Length - Order Number: 81001605
$740.00
Was 
$840.00
SAVE $100.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Watts Radiant - 086101-400 - 5/8" Onix Radiant Tubing - 400' Length - Order Number: 81001609
$1,100.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.