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Professional Heating Systems, Inc. - 9605 Route 45, Orwell, Ohio 44076 - Click for Directions


"Making friends one stove
at a time."

Store Hours
Mon - Fri 8am - 4:30 pm
Saturdays 8-12 Oct. - Dec.
weekends and evenings by appointment
Professional Heating Systems
9605 Route 45
Orwell, Ohio 44076
Phone: 440-685-4345
Fax: 440-685-1550


Insulated Underground Piping

Professional Heating Systems, Inc. carries two brands of Insulated Underground Piping: REHAU and ThermoPEX.

Outdoor Wood Boiler Insulated REHAU Pipe

Outdoor Wood Boiler (OWB) Insulated REHAU pipe is specially designed for the efficient transfer of hot water from outdoor wood boilers to residential and light commercial building such as barns and workshops. A flexible alternative to rigid pipe, OWB pipe offers ease of installation combined with the long-term performance of REHAU's 02 Barrier PEXa pipe for hydronic heating applications.

  • 02 barrier reduces risk of corrosion of ferrous system components including the boiler itself
  • Smooth interior wall of carrier pipes promotes superior flow and consistent water pressure
  • Continuous single layer of insulation minimizes heat loss and water permeability
  • Integrated supply and return pipes streamline installation
  • Continuous, flexible OWB pipe coils can make bends as tight as 3ft (0.9 m), minimizing the need for joints in the pipeline.

1 . CARRIER PIPES: transfers hot water through REHAU 02 Barrier PEXa pipe. Rated 180 degrees F at 100psi and backed by a 25 year warranty. PEXa contains the most consistent level of cross linking pex and can be used with virtually any connection system - compression, crimp or expansion.

2. POLYURETHANE FOAM: insulates the carrier pipes to maximized efficiency and save energy. Solidly filled makes it waterproof, un-crushable, and virtually un-measurable heat loss.

3. POLYETHYLENE CASING: protects the insulation and carrier pipes with a smooth outer jacket that is tougher and more flexible.


ThermoPEX is flexible pre-insulated piping that is ideal for use with outdoor wood furnaces. ThermoPEX consists of two 1-inch* oxygen barrier Central PEX lines or two 1-1/4 inch** oxygen barrier PEX lines (supply and return) that are insulated with high-density urethane insulation and a thick, durable, waterproof, polyethylene outer jacket.

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Professional Heating Systems - outdoor wood furnaces