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Installation ManualsDesign & Construction ManualOpen Direct SystemInstalling the Closed SystemInstalling the Indirect SystemInstalling tubing for a concrete slabInstalling tubing between floor joistsInstalling tubing in a subfloorInstalling tubing in the ceilingInstalling tubing in the wallsInstalling a heated towel rackInstalling Radiantec ControlsDoing your own tubing layoutRadiantec Basic Solar DomesticWater Heater Installation ManualRadiantec Basic Solar DomesticWater Heater Owners Manual

There is no need to dedicate space in the home or garage for equipment. The system uses a small wall mounted temperature controller and a pavement/roof mounted sensor.

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Designed to keep pipes flowing, our electric self-regulating cable gives peace of mind to home and business owners who fear bursting pipes on the coldest winter days. Warmup freeze protection electric cables can be applied to pipes (PVC and metal), ducts and water lines.

Our Open Direct System is a simple, elegant design that uses easy to find common parts. Many of our customers choose to use our free design assistance and install the system themselves at great savings. Read more about DIY installation here.

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We must note here that innovation is not always welcomed by those with special interests in the status quo. You must consider the source when you evaluate comments from those who profit from the sale of boilers. Low cost and simplicity is not always welcome. You cannot make a $5,000 profit from a $5,000 system. The use of water heaters in radiant heating applications is accepted by all major codes. There has never been even a single case of Legionnaires disease attributed to an open direct system.

Our design is easy to understand. Our radiant system operates at a much lower temperature than those of a furnace so it’s safer to work on, and our materials last a long time so they don’t need constant upkeep.

Berkey Water Filter removes heavy metals, chlorine, and hundreds of chemicals from your water while leaving in the beneficial minerals.

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Our system runs at lower temperatures than systems with a boiler, making it inherently safer to install, to use, and to maintain.

Self-regulating cables melt snow and ice to prevent ice dams. By heating the roof line, gutter, and downspouts of your home with self-regulating cable you can prevent potential ice dam damage to the ceiling, insulation, and walls of your home.

DIRECT SYSTEM A direct system uses the same water for both heating and domestic hot water for doing dishes, laundry, taking showers, etc. There is no separation between the two.

It is one of the very few exceptions to the rule that better things cost more. You literally get a much better system for a lot less money.

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Please note that Radiantec often recommends the use of domestic water heaters instead of expensive boilers. Click here for more information about that use. This is an opportunity to save thousands of dollars and still have a better and more energy efficient radiant floor heating system.

INDIRECT SYSTEM An indirect system is one in which the heat from the heating unit passes through a heat exchanger before it goes to the in floor heating tubes.

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... GPM. Typical HVAC Design Maximum Flow = 4 to 8 ft/sec. Nominal. Pipe Size. GPM @. 1 ft/sec. GPM @. 2 ft/sec. GPM @. 4 ft/sec. GPM @. 8 ft/sec. GPM @. 10 ft/sec.

Our Systems are Code Compliant. Ask your tech for more information concerning your specific application, but in general, here is some relevant information:

Radiantec R & DThe Best Overall SystemEngineered Tubing BenefitsInsulation and Heat MigrationStudy of Heat Transfer PlatesUS DOE ReportASES paper

The “Open Direct Radiant System” is a significant breakthrough in radiant heating design. The Open Direct Radiant System offers unprecedented efficiency with a highly affordable first cost and is our preferred system of all radiant heating systems. It is one single system that operates in two different and distinct ways. When floor heat is called for, the pump comes on and water flows out of the tank, through the radiant floor heating zone and back to the tank. When domestic hot water is wanted, water flows out of the tank and goes to the fixture. All water in the system remains potable.

Snow Meltingmats

Snow melting systems are becoming increasingly more popular in North America. Environmentalists are especially keen on using this solution to prevent snow and ice to build-up on stairs, driveways, walkways etc., as it avoids the use of chemicals or pollutants.

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Radiantec R & DThe Best Overall SystemEngineered Tubing BenefitsInsulation and Heat MigrationStudy of Heat Transfer PlatesUS DOE ReportASES paper

Snow melting systemscost

Warmup’s Snow Melting Systems are more cost effective in the long run than continual salting and can extend the life of roofs, pipes and pavement. Our systems are also an excellent investment that can raise the value of a home.

When radiant floor heating is called for, domestic hot water is pumped to the heat-exchanger where the heat is transferred to the heating fluid on the other side. At the same time, the floor heating zone pump(s) comes on and circulates the heating fluid where it is needed.

HEAT EXCHANGER A heat exchanger is a device that exchanges the heat from one fluid to another without a mixing of the fluids. A typical use would be to keep the potable domestic hot water separate from the boiler fluid.

Our design is straightforward and our parts are common. That might not sound like a good thing, but it is! You can find the parts we use at any good hardware store, no special ordering required.

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The simplicity of our design and the ease with which you can find our parts in any hardware store make this system no problem for a handyman or the Do-It-Yourselfer.

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Closed radiant heating systems dedicate a boiler or water heater exclusively for space heating. Then water (or glycol) circulates through the radiant floor tubing. When a boiler is used, this familiar and conventional approach is well accepted by building code officials.

Radiantec supports the use of solar energy whenever it is feasible and notes that solar efficiency has improved greatly in the past few years. The following graphic represents a solar domestic hot water based solar system that is particularly appropriate for radiant heating systems.

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Radiant heating is naturally energy efficient. Our system operates at lower temperatures so less fuel is needed to heat the water and our hot water heaters condense flue gasses to get maximum heating from your fuel.

OPEN SYSTEM An open system is one that is open to the atmosphere or one in which the heating fluid is replaced often. A domestic water heater is an open system because the heated fluid is constantly changed. Open systems require different mechanicals and materials.

Leave all of the work to your snow and ice melting controls after installation! Our automatic controls do not only save energy and lower operating costs, but they also make our system effortless to use thanks to the powerful and smart temperature and moisture sensors built in.

Warmup provide a range of temperature controllers and sensors to accurately control and maximise on the energy efficiency of a Snowmelting System. The controller’s sensor will be activated only when the outdoor temperature is below a selected setting and snow or ice occurs. When sensing moisture and low ground temperature, the controller will start working automatically.

Once installed and set-up by a qualified installer, the systems will provide a consistent, automatic outdoor heating solution; operating while the user is asleep, at work or away from home for an extended period of time.

CLOSED SYSTEM A closed heating system is closed off from the environment and its heating fluid is only changed for maintenance.

Increase safety and convenience in your home or business with a Warmup Snow Melting System! Whether your heating needs are on the ground or on the roof, we have the materials you need to stay above freezing.

The controller’s sensor will be activated only when the outdoor temperature is below a selected setting and snow or ice occurs. When sensing moisture and low ground temperature, the controller will start working automatically.

The Snowmelt Systems use a system-specific heating controller which senses precipitation and freezing temperatures. These controllers ensure the system is only active during useful periods and reduces wasteful energy consumption.

The Best Overall SystemRadiant Heating SystemsClosed SystemIndirect SystemOpen Direct SystemWater Heater heat sourceCost Saving BenefitsEnvironmental BenefitsAbout Building CodesProblems w/a code official?

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Radiantec R & DThe Best Overall SystemEngineered Tubing BenefitsInsulation and Heat MigrationStudy of Heat Transfer PlatesUS DOE ReportASES paper

BOILER A boiler is a heating device that is engineered to make very hot water (up to 250 degrees F, under pressure) for radiators and baseboards. Many boilers do not work well at lower temperatures and may need expensive controls to make the adjustment.

Our Open Direct System is compatible with solar. You can plan to install solar panels initially or at any time in the future. Check out our Solar Energy Library for more information about how to integrate solar panels into your radiant heating system.

Lower operational temperatures, stainless steel construction, and high quality tubing equals a system that lasts and lasts.

Secure your air system with our 1 1/2 inch Swing Check Valve, designed to prevent backflow and minimize pressure loss. Made from high-quality brass for ...

Because we use condensing water heaters, our systems have lower emissions than others. Our systems also uses less fuel than a boiler system, and are compatible with solar.

There are many ways to take advantage of the benefits of radiant heating and cooling. Some radiant floor heat system concepts are at least 100 years old. Our radiant heating systems are newer and more innovative. We urge you to at least take a look at these modern systems. The newer and more innovative floor heating systems can offer significant advantages.

A heat exchanger separates the radiant heating fluid from the potable water supply. This allows a non-potable heating fluid (such as Anti-freeze) to be used. These radiant heating systems

Provided below are the basic sizing rules for selecting and sizing solar thermal expansion tanks in indirect solar systems.

All assemblies size 21⁄2 through 10 is similar in materials and construction. Main Valve Body: Ductile iron Grade. 65-45-12. Coating: Fusion epoxy coated ...

Added Value Warmup’s Snow Melting Systems are more cost effective in the long run than continual salting and can extend the life of roofs, pipes and pavement. Our systems are also an excellent investment that can raise the value of a home. No Mechanical Room Needed There is no need to dedicate space in the home or garage for equipment. The system uses a small wall mounted temperature controller and a pavement/roof mounted sensor. Easy to Use Once installed and set-up by a qualified installer, the systems will provide a consistent, automatic outdoor heating solution; operating while the user is asleep, at work or away from home for an extended period of time. Energy-Efficiency The Snowmelt Systems use a system-specific heating controller which senses precipitation and freezing temperatures. These controllers ensure the system is only active during useful periods and reduces wasteful energy consumption.

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Because our design is simple and we use a water heater for heat and domestic hot water, our system is less complicated & uses fewer parts.

Hydronicsnowmelt system design

DOMESTIC HOT WATER HEATER A domestic water heater makes moderate temperature water and a storage tank is typically provided. There is a potential for higher efficiency with a hot water heater because of lower operating temperature and lower exhaust gas temperature, but many low end water heaters do not take advantage of this potential.

Warmup provide a range of temperature controllers and sensors to accurately control and maximise on the energy efficiency of a Snowmelting System.

The combined 2 in 1 T&P relief valve provides the least expensive and proven ... insulation, send for literature ES-SL100XL/LLL100XL. • Series 100XL-8 ...