Fittings

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We carry a wide selection of fittings for radiant heating tubing. Shop our selection or let our experts help you find exactly what you need.

Learn More About Watts Radiant 689003-10
Watts Radiant
Watts Radiant - 689003-10 - 3/4" BSP to 5/8" Onix Barb Fitting - Quantity: 10 - Order Number: 81000683
$280.00
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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.
Learn More About Watts Radiant 686001-10
Watts Radiant
Watts Radiant - 686001-10 - 5/8" Onix Male Sweat Fitting - Quantity: 10 - 1/2" Male Sweat - Order Number: 81000667
$109.50
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Learn More About Watts Radiant 687001-10
Watts Radiant
Watts Radiant - 687001-10 - 3/4" Onix Male Sweat Fitting - Quantity: 10 - 3/4" Male Sweat - Order Number: 81000671
$197.50
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Learn More About Watts Radiant 185074-10
Watts Radiant
Watts Radiant - 185074-10 - 1/2" Onix Female Sweat Elbow Fitting - Quantity: 10 - 3/4" Female Sweat - Order Number: 81000116
$176.50
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Learn More About Watts Radiant 185075-10
Watts Radiant
Watts Radiant - 185075-10 - 3/4" Onix Female Sweat Elbow Fitting - Quantity: 10 - 3/4" Female Sweat - Order Number: 81000118
$218.50
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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.
Learn More About Watts Radiant 185625-10
Watts Radiant
Watts Radiant - 185625-10 - 5/8" Onix Female Sweat Elbow Fitting - Quantity: 10 - 3/4" Female Sweat - Order Number: 81000120
$191.00
Factory-Direct
Learn More About Watts Radiant 660105
Watts Radiant
Watts Radiant - 660105 - 5/8" Onix SelfTite Repair Kit - Order Number: 81000511
$63.75
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Learn More About Watts Radiant 677101-10
Watts Radiant
Watts Radiant - 677101-10 - 5/8" Onix Coupling - Quantity: 10 - Order Number: 81000618
$100.50
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Learn More About Watts Radiant 677121-10
Watts Radiant
Watts Radiant - 677121-10 - 3/4" Onix Coupling - Quantity: 10 - Order Number: 81000621
$132.00
Factory-Direct
Learn More About Watts Radiant 446105
Watts Radiant
Watts Radiant - 446105 - 3/8" Onix Mini Ball Valve - 1/2" Male Sweat - Order Number: 81000366
$38.75
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Learn More About Watts Radiant PC660X-10
Watts Radiant
Watts Radiant - PC660X-10 - 5/8" Crimp x 1/2" Male Sweat - Adapter - Quantity: 10 - Order Number: 81003685
$51.50
Factory-Direct
Learn More About Watts Radiant PC670X-10
Watts Radiant
Watts Radiant - PC670X-10 - 5/8" Crimp x 3/4" Male Sweat - Adapter - Quantity: 10 - Order Number: 81003427
$95.50
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Learn More About Watts Radiant PCC66X-10
Watts Radiant
Watts Radiant - PCC66X-10 - 5/8" Crimp - Coupling - Quantity: 10 - Order Number: 81005376
$40.00
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Learn More About Watts Radiant RLC10B0608-10
Watts Radiant
Watts Radiant - RLC10B0608-10 - 3/8" PEX-AL-PEX Compression x 1/2" Male Sweat - Adapter - Quantity: 10 - Order Number: 81011139
$155.00
Factory-Direct
Learn More About Watts Radiant RLC10B1008-10
Watts Radiant
Watts Radiant - RLC10B1008-10 - 5/8" PEX-AL-PEX Compression x 1/2" Male Sweat - Adapter - Quantity: 10 - Order Number: 81008092
$208.00
Factory-Direct
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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.
Learn More About Watts Radiant RLC10B1012-10
Watts Radiant
Watts Radiant - RLC10B1012-10 - 5/8" PEX-AL-PEX Compression x 3/4" Male Sweat - Adapter - Quantity: 10 - Order Number: 81008094
$239.50
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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.
Learn More About Watts Radiant RLC10B1212-10
Watts Radiant
Watts Radiant - RLC10B1212-10 - 3/4" PEX-AL-PEX Compression x 3/4" Male Sweat - Adapter - Quantity: 10 - Order Number: 81008096
$284.50
Factory-Direct
Free Shipping
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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.
Learn More About Watts Radiant RLC10B1616-5
Watts Radiant
Watts Radiant - RLC10B1616-5 - 1" PEX-AL-PEX Compression x 1" Male Sweat - Adapter - Quantity: 5 - Order Number: 81008098
$228.00
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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.
Learn More About Watts Radiant RLC11B0608-10
Watts Radiant
Watts Radiant - RLC11B0608-10 - 3/8" PEX-AL-PEX Compression x 1/2" Female Sweat - Adapter - Quantity: 10 - Order Number: 81011140
$155.00
Factory-Direct
Learn More About Watts Radiant RLC11B1012-10
Watts Radiant
Watts Radiant - RLC11B1012-10 - 5/8" PEX-AL-PEX Compression x 3/4" Female Sweat - Adapter - Quantity: 10 - Order Number: 81008102
$209.50
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Free Shipping
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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.
Learn More About Watts Radiant RLC11B1212-10
Watts Radiant
Watts Radiant - RLC11B1212-10 - 3/4" PEX-AL-PEX Compression x 3/4" Female Sweat - Adapter - Quantity: 10 - Order Number: 81008104
$283.00
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*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.
Learn More About Watts Radiant RLC11B1616-5
Watts Radiant
Watts Radiant - RLC11B1616-5 - 1" PEX-AL-PEX Compression x 1" Female Sweat - Adapter - Quantity: 5 - Order Number: 81013675
$230.00
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*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.
Learn More About Watts Radiant RLC0512B0812-10
Watts Radiant
Watts Radiant - RLC0512B0812-10 - 1/2" PEX-AL-PEX Compression x 3/4" MNPT - Adapter - Quantity: 10 - Order Number: 81010729
$213.50
Factory-Direct
Free Shipping
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Free Shipping
*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.
Learn More About Watts Radiant RLC12B1012-10
Watts Radiant
Watts Radiant - RLC12B1012-10 - 5/8" PEX-AL-PEX Compression x 3/4" MNPT - Adapter - Quantity: 10 - Order Number: 81008108
$221.50
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*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.