Logstor Dual PEX-Flex

Pre-insulated flexible pipe for outdoor wood and solid fuel burners

Dual PEX-Flex applications: homes, barns, workshops, garages, cottages, pools/hot-tubs, ice melting systems, greenhouses and more!

What is PEX-flex?

Duel PEX-Flex is a pre-insulated flexible pipe ideally suited for outdoor hydronic heating systems. Supplied in coils, this 2-in-1 (supply and return bundled together) pipe system is economical, simple to install and highly effective even in harsh soil conditions.

Why use PEX-Flex?

You have probably spent considerable time researching and comparing the heating unit that is right for your application. A professionally manufactured insulated pipe will maximize efficiency of your outdoor furnace system by keeping heat loss to a minimum. By effectively heating your house (not the ground), you will require less fuel, burn less wood or corn, and produce less emissions. Whatever your budget, you simply can’t afford NOT to install PEX-flex!

This premium product will pay for itself over a short period of time (individual payback times will vary relative to the severity and length of the heating season).PEX-Flex incorporates an eco-friendly polyurethane foam – the best insulation available on the market today. And to keep this closed cell foam dry (critical in any insulation system), it has a thick extruded low-density polyethylene jacket ensuring lasting efficiency.

Advantages of Logstor Dual PEX-Flex:

• The low conductivity of polyurethane foam delivers very high insulating performance, saving you fuel and time – this also allows for a smaller overall jacket size relative to other insulating materials.
• The entire system is made of plastic; there is nothing to corrode over time.
• PEX-Flex is “self-compensating” with respect to expansion and contraction… just uncoil and snake into trench, then backfill.
• Installs quickly and easily without solvent welding, special tools or heavy equipment – often resulting in a more economical installed cost when compared to other insulating methods.
• No drainage tile, gravel backfill or deep/wide trench required. PEX-Flex can be shallow buried even in high water table areas.
• Flexibility of coiled PEX-Flex often eliminates need for joints, elbows and fittings – plus custom ‘cut to length’ sections reduce waste.
• The PEX core pipes have a diffusion barrier made of EVAL, preventing oxygen from entering the system .
• “Smart” membrane under outer jacket to enhance and maintain insulation value.
• PEX-Flex is a bonded system, meaning the carrier pipes, insulation and jacket are mechanically linked to one another and move collectively during expansion/contraction – this keeps the foam from being compressed which further reduces heat loss.
• Lasts indefinitely, paying for itself many times over.

The payback:

Installing PEX-Flex pays for itself over time (individual payback times will vary relative to the severity and length of the heating system), and you’re also helping to do your part to reduce emissions.

The expected yearly savings is approximately 1 1/2 cords of wood based on the following assumptions:

• An average cord of wood yields 24 million BTU’S.
• The trench from the boiler to the building(s) is approximately 100ft. (30m) long.
• The payback is based on a comparison to bare or poorly insulated piping systems. These inferior systems may be the result of using materials with insufficient insulating properties, inadequate insulation thickness, or may simply be insulation that absorbed moisture due to water ingress through the jacket or joints.

Temperature loss with dual PEX-Flex

Using 2 – 1”/4.3 OD (2 – 32mm/110mm OD) with following operating parameters:
-Supply temperature: 180 degrees F
-Soil temperature: 32 degrees F

Flow = 3 GPM at 100ft = 178.5 degrees F/150ft = 177.8 degrees F

Flow = 5GPM at 100ft = 179.1 degrees F/150ft = 178.7 degrees F

Flow = 10 GPM at 100ft = 179.5 degrees F/150ft = 179.3 degrees F

-For more technical info on dimensions, temperature and pressure ratings, e-mail us at Jason@TimbersEdgeHeating.com
-To check out the online calculation tool, log on to www.logstor.com/webstatech

Timbers Edge Heating stands behind its products and service. Our products are top-of-the-line. All products have excellent warranties and focus on energy efficiency. We take pride in the service we provide.