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 086061-200 is the Number 1 Seller
Learn More About Watts Radiant 086061-200
Watts Radiant Onix - 3/8" Diameter - Radiant Tubing - 200' Length
Model: 086061-200
Watts Radiant - 086061-200 - 3/8" Onix Radiant Tubing - 200' Length - Order Number: 81001560
43% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$334.00
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Model Number RL06-200-OR is the Number 2 Seller
Learn More About Watts Radiant RL06-200-OR
Watts Radiant RadiantPEX-AL - 3/8" - PEX-AL-PEX Tubing - 200' Length - Orange
Model: RL06-200-OR
Watts Radiant - RL06-200-OR - 3/8" PEX-AL-PEX Tubing - 200' Length - Orange - Order Number: 81011133
17% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$116.00
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Model Number 086061-600 is the Number 3 Seller
Learn More About Watts Radiant 086061-600
Watts Radiant Onix - 3/8" Diameter - Radiant Tubing - 600' Length
Model: 086061-600
Watts Radiant - 086061-600 - 3/8" Onix Radiant Tubing - 600' Length - Order Number: 81001565
13% Buy This
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$1,019.00
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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.
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Model Number PB032121-100 is the Number 4 Seller
Learn More About Watts Radiant PB032121-100
Watts Radiant RadiantPEX+ - 3/4" Diameter - PEX Tubing - 100' Length - w/ Oxygen Barrier - Orange
Model: PB032121-100
Watts Radiant - PB032121-100 - 3/4" RadiantPEX+ Tubing - 100' Length - w/ Oxygen Barrier - Orange - Order Number: 81001685
13% Buy This
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$93.00
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Model Number RL0508-300-OR is the Number 5 Seller
Learn More About Watts Radiant RL0508-300-OR
Watts Radiant RadiantPEX-AL - 1/2" - PEX-AL-PEX Tubing - 300' Length - Orange
Model: RL0508-300-OR
Watts Radiant - RL0508-300-OR - 1/2" PEX-AL-PEX Tubing - 300' Length - Orange - Order Number: 81010635
4% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
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$360.00
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Learn More About Viega 35020
Viega FostaPEX - PEX-AL-PEX Tubing - 1/2" Diameter - 150' Length - Silver
Model: 35020
4% Buy This
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$154.25
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Learn More About Viega 33830
Viega - PEX Tubing - 1/2" Diameter - 100' Length - w/ Sleeve - Black
Model: 33830
4% Buy This
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$63.53
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Learn More About Watts Radiant RL16-100-OR
Watts Radiant RadiantPEX-AL - 1" - PEX-AL-PEX Tubing - 100' Length - Orange
Model: RL16-100-OR
Watts Radiant - RL16-100-OR - 1" PEX-AL-PEX Tubing - 100' Length - Orange - Order Number: 81007610
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$179.00
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Learn More About Watts Radiant RL16-300-OR
Watts Radiant RadiantPEX-AL - 1" - PEX-AL-PEX Tubing - 300' Length - Orange
Model: RL16-300-OR
Watts Radiant - RL16-300-OR - 1" PEX-AL-PEX Tubing - 300' Length - Orange - Order Number: 81007611
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$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.
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Learn More About Watts Radiant RL12-500-OR
Watts Radiant RadiantPEX-AL - 3/4" - PEX-AL-PEX Tubing - 500' Length - Orange
Model: RL12-500-OR
Watts Radiant - RL12-500-OR - 3/4" PEX-AL-PEX Tubing - 500' Length - Orange - Order Number: 81007309
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$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.
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Learn More About Watts Radiant PB032121-1000
Watts Radiant RadiantPEX+ - 3/4" Diameter - PEX Tubing - 1000' Length - w/ Oxygen Barrier - Orange
Model: PB032121-1000
Watts Radiant - PB032121-1000 - 3/4" RadiantPEX+ Tubing - 1000' Length - w/ Oxygen Barrier - Orange - Order Number: 81009868
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$931.00
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Learn More About Watts Radiant PB032201-100
Watts Radiant RadiantPEX - 1-1/2" Diameter - PEX Tubing - 100' Length - w/ Oxygen Barrier - Orange
Model: PB032201-100
Watts Radiant - PB032201-100 - 1-1/2" RadiantPEX Tubing - 100' Length - w/ Oxygen Barrier - Orange - Order Number: 81009994
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$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.
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Learn More About Watts Radiant PB032201-300
Watts Radiant RadiantPEX - 1-1/2" Diameter - PEX Tubing - 300' Length - w/ Oxygen Barrier - Orange
Model: PB032201-300
Watts Radiant - PB032201-300 - 1-1/2" RadiantPEX Tubing - 300' Length - w/ Oxygen Barrier - Orange - Order Number: 81009995
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$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.
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Learn More About Watts Radiant PB032221-100
Watts Radiant RadiantPEX - 2" Diameter - PEX Tubing - 100' Length - w/ Oxygen Barrier - Orange
Model: PB032221-100
Watts Radiant - PB032221-100 - 2" RadiantPEX Tubing - 100' Length - w/ Oxygen Barrier - Orange - Order Number: 81010853
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$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.
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Learn More About Watts Radiant PB032221-300
Watts Radiant RadiantPEX - 2" Diameter - PEX Tubing - 300' Length - w/ Oxygen Barrier - Orange
Model: PB032221-300
Watts Radiant - PB032221-300 - 2" RadiantPEX Tubing - 300' Length - w/ Oxygen Barrier - Orange - Order Number: 81010854
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$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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2% Check Discount
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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.
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Learn More About Watts Radiant RFS-40X160-328
Watts Radiant R-Flex - 40mm (~1.57") - Insulated PEX - Single Pipe - 328'
Model: RFS-40X160-328
Watts Radiant - RFS-40X160-328 - 40mm (~1.57") - Single Pipe Insulated PEX Tubing - 328' Length - 160mm Outer Jacket - Order Number: 81012929
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$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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2% Check Discount
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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.
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Learn More About Watts Radiant RFS-50X160-328
Watts Radiant R-Flex - 50mm (~1.97") - Insulated PEX - Single Pipe - 328'
Model: RFS-50X160-328
Watts Radiant - RFS-50X160-328 - 50mm (~1.97") - Single Pipe Insulated PEX Tubing - 328' Length - 160mm Outer Jacket - Order Number: 81012886
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$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.
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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.
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Learn More About Watts Radiant RFS-63X160-328
Watts Radiant R-Flex - 63mm (~2.48") - Insulated PEX - Single Pipe - 328'
Model: RFS-63X160-328
Watts Radiant - RFS-63X160-328 - 63mm (~2.48") - Single Pipe Insulated PEX Tubing - 328' Length - 160mm Outer Jacket - Order Number: 81012887
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$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.
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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.
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Learn More About Watts Radiant RFS-75X200-328
Watts Radiant R-Flex - 75mm (~2.95") - Insulated PEX - Single Pipe - 328'
Model: RFS-75X200-328
Watts Radiant - RFS-75X200-328 - 75mm (~2.95") - Single Pipe Insulated PEX Tubing - 328' Length - 200mm Outer Jacket - Order Number: 81012889
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$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.
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2% Check Discount
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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.
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Learn More About Watts Radiant RFS-90X200-328
Watts Radiant R-Flex - 90mm (~3.54") - Insulated PEX - Single Pipe - 328'
Model: RFS-90X200-328
Watts Radiant - RFS-90X200-328 - 90mm (~3.54") - Single Pipe Insulated PEX Tubing - 328' Length - 200mm Outer Jacket - Order Number: 81012890
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$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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2% Check Discount
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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.
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Learn More About Watts Radiant RFS-110X200-328
Watts Radiant R-Flex - 110mm (~4.33") - Insulated PEX - Single Pipe - 328'
Model: RFS-110X200-328
Watts Radiant - RFS-110X200-328 - 110mm (~4.33") - Single Pipe Insulated PEX Tubing - 328' Length - 200mm Outer Jacket - Order Number: 81012891
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$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.
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2% Check Discount
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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.
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Learn More About Watts Radiant 086081-200
Watts Radiant Onix - 1/2" Diameter - Radiant Tubing - 200' Length
Model: 086081-200
Watts Radiant - 086081-200 - 1/2" Onix Radiant Tubing - 200' Length - Order Number: 81001579
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$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.
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Learn More About Watts Radiant 086101-300
Watts Radiant Onix - 5/8" Diameter - Radiant Tubing - 300' Length
Model: 086101-300
Watts Radiant - 086101-300 - 5/8" Onix Radiant Tubing - 300' Length - Order Number: 81001605
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$740.00
Was 
$840.00
SAVE $100.00
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.
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Learn More About Watts Radiant 086101-400
Watts Radiant Onix - 5/8" Diameter - Radiant Tubing - 400' Length
Model: 086101-400
Watts Radiant - 086101-400 - 5/8" Onix Radiant Tubing - 400' Length - Order Number: 81001609
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$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.
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2% Check Discount
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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.
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