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Stainless Steel Line

Stainless Steel Line lets for Hydronic and Solar Water Heating have become very popular for a few reasons.

  1. Ease of Installation – No Soldering of any type required. Simply cut the pipe to length and use the flare tool to make your end connections. The Aurora Flex Stainless Steel piping is so easy to work with it literally reduces installation times in half
  2. No leaks. The High Temperature ceramic gaskets are rated to 350 C (660 F) and will ensure a permanent leak free joint that can handle extreme heat and cold
  3. Pre-Insulated pipe jacket. The stainless steel line comes with ¾” EPDM high temperature foam insulation and a moisture proof barrier surrounding the insulation. This is not Polyurethane foam that has melting temperatures around 100 C this EPDM foam can handle temperatures exceeding 200 C.
  4. Low Voltage wire for temperature sensors including under the weather proof jacket. This means no extra wiring to run sensor wires.
  5. Cost – Stainless steel line sets cost less than copper and when you add up the cost of the EPDM insulation and time factor you can greatly reduce the overall installation cost whether you’re a home owner or a contractor.

ftp fitting     male ftp fitting

Available in Nominal ID sizes of ¾” and 1” as well as larger size available by request. Both Male and Female FTP fittings available. Generally this pipe is used to replace cooper or black pipe from the boiler to the pump and in floor manifold. It does not replace PEX for the in floor loops.



pipes fitting

No Soldering- Leak FREE


3/4" 304 Stainless Steel pipes




Installation Procedure:


Step one:

Cut the hose to your desired length with cutter


Step two:

Put a fitting onto the solar hose, put one end into flange tool


Step three:

Use a hammer to flatten the end of the hose



Step four:

Squeeze on the Solar hose stainless steel Circlip on


Step five:

Insert High Temperature ceramic gasket


Step six:

Tighten with wrench for a guaranteed leak free seal!



High Pressure/ High Temperature Fittings


1 Nut Brass
2 Metal Hose SUS304,SUS316L
3 Gasket High Temperature ceramic gasket. Rated to 350 C or 660 F
4 Cir-Clip Stainless Steel SUS304


Technical specifications:


gdflex td insulationpipe


MaterialHigh quality synthetic elastomer (EPDM based) with a complete closed-cell structure.
Temperature rangeFrom -50 °C to +150 °C (up to 175 °C operating intermittent.)
Flammability :actual burning behaviourDIN 4102-B2 self-extinguishing, no fireball drops, limited fire spreading
Water Vapor permeabilityu>3000
Thermal Conductivity W/(m.K)R 4.8 (.035 W/mk)


gdflex td foil1


MaterialUV resistant and high mechanical resistant protective film
UV ResistanceExcellent UV and weather resistant properties


gdflex td SENSORWIRE3


Temperature Rangefrom -50 C to +200 C
Flexible Copper0.75mm2
Wire InsulationSilicon
Rated Voltage300/500 V
Electric Resistance23.0 Ohm/km