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R-flex Tubing

Watts Radiant R-flex Tubing - Buried Insulated Large Diameter Barrier PEX Pipe | Pexheat.com

Large Diameter Insulated PEX tubing.

R-flex is a flexible pre-insulated PEX with a corrugated, double-wall HDPE cover suitable for direct burial. Ideal for connections to outdoor boilers or heat transfer between buildings. Commercial contractors love the quality and complete product line. Do-it-yourselfers love R-flex for the simplicity. R-flex is manufactured in accordance with DIN 16892/16893, with a DIN 4726 oxygen barrier.

Uses:

  • Hydronic heating
  • Hydronic snow melting
  • District heating
  • Commercial and process piping
  • Geothermal
  • Agricultural piping
  • Biomass heat sources
  • Wood-fired boilers
  • Solar
  • Cooling towers & chilled water systems

PEX tubing sizes 1-1/2 in, 2 in, 3 in, 3-1/2 in and 4 in.

Note: A cut charge will be incurred with custom cut lengths. For cuts in 25 foot increments, the charge is $75.00 (i.e. 25', 75', 150'). For any other length increment, the charge is $150.00 (i.e. 80', 105', 170').

For more information see:

Contact us for product selection. We are glad to help.

Image Model Name Price Add to Cart
img-rflex-crosssection-dual-00.png RF-C150 - Cut Charge - Non-Standard Increments (80', 105', 170' etc.) NET Price: $150.00
 
img-rflex-crosssection-dual-00.png RF-C75 - Cut Charge - Standard 25' Increments (25', 75', 150' etc.) NET Price: $75.00
 
rflex_dual.png RFD-1x125-328 R-flex Dual, 1" x 125mm OD Jacket, 328 ft. Coil Price: $5,587.32
 
rflex_dual.png RFD-1x125-1 R-flex Dual, 1" x 125mm OD Jacket, by the foot Price: $17.03
 
rflex_dual.png RFD-32x125-328 R-flex Dual, 32mm (1.25 in.) x 125mm OD Jacket, 328 ft. Coil Price: $6,086.18
 
rflex_dual.png RFD-32x125-1 R-flex Dual, 32mm (1.25 in.) x 125mm OD Jacket, by the foot Price: $18.56
 
rflex_dual.png RFD-40x160-328 R-flex Dual, 40mm (1.5 in.) x 160mm OD Jacket, 328 ft. Coil Price: $8,879.84
 
rflex_dual.png RFD-40x160-1 R-flex Dual, 40mm (1.5 in.) x 160mm OD Jacket, by the foot Price: $27.07
 
rflex_dual.png RFD-50x200-328 R-flex Dual, 50mm (2 in.) x 200mm OD Jacket, 328 ft. Coil Price: $12,212.28
 
rflex_dual.png RFD-50x200-1 R-flex Dual, 50mm (2 in.) x 200mm OD Jacket, by the foot Price: $37.23
 
rflex_dual.png RFD-63x200-328 R-flex Dual, 63mm (2.5 in.) x 200mm OD Jacket, 328 ft. Coil Price: $15,604.58
 
rflex_dual.png RFD-63x200-1 R-flex Dual, 63mm (2.5 in.) x 200mm OD Jacket, by the foot Price: $47.57
 
rflex_single.png RFS-110x200-328 R-flex Single, 110mm (4 in.) x 200mm OD Jacket, 328 ft. Coil Price: $16,243.13
 
rflex_single.png RFS-110x200-1 R-flex Single, 110mm (4 in.) x 200mm OD Jacket, by the foot Price: $49.52
 
rflex_single.png RFS-40x160-328 R-flex Single, 40mm (1.5 in.) x 160mm OD Jacket, 328 ft. Coil Price: $6,664.87
 
rflex_single.png RFS-40x160-1 R-flex Single, 40mm (1.5 in.) x 160mm OD Jacket, by the foot Price: $20.32
 
rflex_single.png RFS-50x160-328 R-flex Single, 50mm (2 in.) x 160mm OD Jacket, 328 ft. Coil Price: $7,882.11
 
rflex_single.png RFS-50x160-1 R-flex Single, 50mm (2 in.) x 160mm OD Jacket, by the foot Price: $24.03
 
rflex_single.png RFS-63x160-328 R-flex Single, 63mm (2.5 in.) x 160mm OD Jacket, 328 ft. Coil Price: $8,680.29
 
rflex_single.png RFS-63x160-1 R-flex Single, 63mm (2.5 in.) x 160mm OD Jacket, by the foot Price: $26.46
 
rflex_single.png RFS-75x200-328 R-flex Single, 75mm (3 in.) x 200mm OD Jacket, 328 ft. Coil Price: $11,873.05
 
rflex_single.png RFS-75x200-1 R-flex Single, 75mm (3 in.) x 200mm OD Jacket, by the foot Price: $36.20
 
rflex_single.png RFS-90x200-328 R-flex Single, 90mm (3.5 in.) (3.5 in.) x 200mm OD Jacket, 328 ft. Coil Price: $14,008.20
 
rflex_single.png RFS-90x200-1 R-flex Single, 90mm (3.5 in.) x 200mm OD Jacket, by the foot Price: $42.71