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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
rflex_single.png RFS-40x160-328 R-flex Single, 40mm (1.5 in.) x 160mm OD Jacket, 328 ft. Coil Price: $6,225.87
 
rflex_single.png RFS-50x160-328 R-flex Single, 50mm (2 in.) x 160mm OD Jacket, 328 ft. Coil Price: $7,363.28
 
rflex_single.png RFS-63x160-328 R-flex Single, 63mm (2.5 in.) x 160mm OD Jacket, 328 ft. Coil Price: $8,101.61
 
rflex_single.png RFS-75x200-328 R-flex Single, 75mm (3 in.) x 200mm OD Jacket, 328 ft. Coil Price: $11,094.81
 
rflex_single.png RFS-90x200-328 R-flex Single, 90mm (3.5 in.) (3.5 in.) x 200mm OD Jacket, 328 ft. Coil Price: $13,070.33
 
rflex_single.png RFS-110x200-328 R-flex Single, 110mm (4 in.) x 200mm OD Jacket, 328 ft. Coil Price: $15,165.57
 
rflex_single.png RFS-40x160-1 R-flex Single, 40mm (1.5 in.) x 160mm OD Jacket, by the foot Price: $18.98
 
rflex_single.png RFS-50x160-1 R-flex Single, 50mm (2 in.) x 160mm OD Jacket, by the foot Price: $22.45
 
rflex_single.png RFS-63x160-1 R-flex Single, 63mm (2.5 in.) x 160mm OD Jacket, by the foot Price: $24.70
 
rflex_single.png RFS-75x200-1 R-flex Single, 75mm (3 in.) x 200mm OD Jacket, by the foot Price: $33.83
 
rflex_single.png RFS-90x200-1 R-flex Single, 90mm (3.5 in.) x 200mm OD Jacket, by the foot Price: $39.85
 
rflex_single.png RFS-110x200-1 R-flex Single, 110mm (4 in.) x 200mm OD Jacket, by the foot Price: $46.24
 
rflex_dual.png RFD-1x125-328 R-flex Dual, 1" x 125mm OD Jacket, 328 ft. Coil Price: $5,228.13
 
rflex_dual.png RFD-32x125-328 R-flex Dual, 32mm (1.25 in.) x 125mm OD Jacket, 328 ft. Coil Price: $5,687.09
 
rflex_dual.png RFD-40x160-328 R-flex Dual, 40mm (1.5 in.) x 160mm OD Jacket, 328 ft. Coil Price: $8,301.16
 
rflex_dual.png RFD-50x200-328 R-flex Dual, 50mm (2 in.) x 200mm OD Jacket, 328 ft. Coil Price: $11,414.09
 
rflex_dual.png RFD-63x200-328 R-flex Dual, 63mm (2.5 in.) x 200mm OD Jacket, 328 ft. Coil Price: $14,566.93
 
rflex_dual.png RFD-1x125-1 R-flex Dual, 1" x 125mm OD Jacket, by the foot Price: $15.94
 
rflex_dual.png RFD-32x125-1 R-flex Dual, 32mm (1.25 in.) x 125mm OD Jacket, by the foot Price: $17.34
 
rflex_dual.png RFD-40x160-1 R-flex Dual, 40mm (1.5 in.) x 160mm OD Jacket, by the foot Price: $25.31
 
rflex_dual.png RFD-50x200-1 R-flex Dual, 50mm (2 in.) x 200mm OD Jacket, by the foot Price: $34.80
 
rflex_dual.png RFD-63x200-1 R-flex Dual, 63mm (2.5 in.) x 200mm OD Jacket, by the foot Price: $44.41