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  1. Products
  2. HEATING

HEATING

ISOFLOW Pre-Insulated Pipe for Heating Systems:

Maximise energy efficiency and simplify installation with Isoflow pre-insulated underground heating pipe. Designed for flexibility and durability, Isoflow reduces the need for underground joints by allowing the pipe to curve directly out of the ground, removing the need for elbows and keeping the PEX-a pipe and insulation jacket fully continuous.

Key Features of Isoflow Pre-Insulated Heating Pipe:

  • Minimises joints and reduces installation time

  • Continuous PEX-a pipe and insulation jacket for durability

  • Excellent heat retention for efficient energy transfer

  • Ideal for district heating and heat pump systems in domestic and commercial projects

  • Cut-to-length with next day delivery on stock product

A full range of fittings is available, including tees and insulation kits, supporting complete district heating network solutions.

Multiple sizes and configurations in stock. Contact Flowsupplies today to request a quote and benefit from expert advice on all things pre-insulated pipe in the UK.

Sort By Sort By: Featured
Featured Newest Arrivals Name (A-Z) Price - Low to High Price - High to Low
ISOFLOW 25mm Single - Heating (75mm Duct, 5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 25mm Single - Heating

£ 156.17
ISOFLOW 25mm Double - Heating (140mm Duct, 5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 25mm Double - Heating

£ 297.61
ISOFLOW 32mm Single - Heating (90mm Duct, 5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 32mm Single - Heating

£ 187.98
ISOFLOW 32mm Double - Heating (140mm Duct, 5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 32mm Double - Heating

£ 317.15
ISOFLOW 32mm Double With Cable Ducts - Quadruple Heat Pump, 160mm (5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 32mm Double With Cable Ducts - Quadruple Heat Pump, 160mm

£ 374.60
ISOFLOW 40mm Single - Heating (90mm Duct, 5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 40mm Single - Heating

£ 222.80
ISOFLOW 40mm Double - Heating, 160mm Duct (5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 40mm Double - Heating, 160mm Duct

£ 365.18
ISOFLOW 40mm Double With Cable Ducts - Quadruple Heat Pump, 160mm Duct  (5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 40mm Double With Cable Ducts - Quadruple Heat Pump, 160mm Duct

£ 516.08
ISOFLOW 50mm Single - Heating (140mm Duct, 5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 50mm Single - Heating

£ 318.08
ISOFLOW 50mm Double - Heating (160mm Duct, 5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 50mm Double - Heating

£ 480.73
ISOFLOW 63mm Single - Heating (140mm Duct, 5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 63mm Single - Heating

£ 396.60
ISOFLOW 63mm Double - Heating (200mm Duct, 5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 63mm Double - Heating

£ 709.65
ISOFLOW 75mm Single - Heating (160mm Duct, 5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 75mm Single - Heating

£ 501.85
ISOFLOW 75mm Double - Heating (5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 75mm Double - Heating

£ 1,054.22
ISOFLOW 90mm Single - Heating (160mm Duct, 5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 90mm Single - Heating

£ 606.76
ISOFLOW 110mm Single - Heating (200mm Duct, 5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 110mm Single - Heating

£ 765.93
ISOFLOW 125mm Single - Heating (200mm Duct, 5m, Fittings Kit included [dust caps, terminal connections], No Heatshrink End Caps)

ISOFLOW 125mm Single - Heating

£ 1,067.47

Why Choose Flowsupplies’ Pre-Insulated Pipe for Heating Systems?

  • Unrivalled turnaround time - next day delivery on stock product.

  • Excellent in house product knowledge and support.

  • Innovative pre-insulated pipe and associated components, developed through years of experience and expertise in the plumbing and heating sector

  • Impressive heat retention and flexibility ensuring ease of install and efficiency of the finished system.

  • Fully compliant with BS EN 15632 1,3 

CONTACT US 0333 577 0210


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flowsupplies.

Specialist supplier of preinsulated underground pipe systems.  Experts in our field.

​contact@flowsupplies.co.uk   

Kingsdown Orchard, SN2 7RR   

0333 577 0210      


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