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PRODUCT SPECIFICATIONS
Heating Element Model:
EP-30-2-24W-24V

Output Wattage (at 24 Vac):
7.8 W/ft (25.6 W/m) @ 68ºF (20ºC)

Nominal Resistance:
74 Ω/ft (23 Ω/m) @ 68ºF (20ºC)

Width: 12" (30.5 cm)
Length: Cut to Order
Thickness: 3/64" (1.2 mm)
Technical Specifications   |   Approvals   |   Terms and Conditions of Sale

  • STEP Residential™ is designed to provide even and comfortable warmth in a home. The system is ideal for both renovation and new construction.
 
  • STEP Residential™ can heat the whole house our just single rooms. A heat loss calculation is required when total heating is expected.
 
  • STEP Residential™ can be used under almost any flooring including, tile, stone, wood, laminate, resilient and carpet.
 
  • STEP Residential™ can also be installed under the subfloor between the joists when the existing flooring is to be maintained.
 
  • STEP Residential™ operates on 24 volts and is normally connected to a transformer but it can also be run on solar or wind power.
 
  • STEP Residential™ is self-regulating. As the material gets warmer, less electricity passes through the plastic – therefore it is extremely energy-efficient.
 
  • STEP Residential™ is strong, thin and flexible, easy to install and can be cut to size on the job site.

System Components
HEATING ELEMENT (EP-30-2-24W-24V)
Low voltage (24V, AC or DC), self-regulating Positive Temperature Coefficient (PTC) semi-conductive polyethylene. Patented. Cut to order with 174 feet maximum shipping spool length.
 
CONNECTOR & TAPE KIT (C&T-10)
Includes (10) CON-DB Crimp Connectors, (1) 15” long piece of TAPE-1 Sealant Tape, (1) Label-1, (1) Label-2, and an installation brochure. Contains material to connect and seal five heating element strips to extension wires.
 
TERMINAL BOARD (TB-4X5A)
Fused Terminal Board, 24 Vac, four 5A PTC fuses, set screw lug terminals sized for #14-#4 AWG wires, terminal assignments – one primary hot, four fused secondary hot, and three neutrals.
 
TERMINAL BOARD ENCLOSURE (TBE-4, TBE-6)
Housing for TB-4X5A Terminal Boards enclosed in extruded aluminum profile w/ heat sink. Available in two sizes: TBE-4 (four TB-4X5A Terminal Boards max.) & TBE-6 (six TB-4X5A Terminal Boards max.).
 
TRANSFORMER (EP-150-US, EP-300-US)
Low voltage dry type isolation transformer. 120 Vac primary and 24 Vac secondary. NEMA 3R enclosure.
 
STEP TRANSFORMER (STEP-500VA, STEP-1000VA, STEP-1500VA)
Low voltage dry type isolation transformer. 120 / 240 / 277 Vac primary and 24 Vac secondary. Extruded aluminum profile enclosure w/ heat sink. Patent pending.
 
EXTENSION WIRE (TCu14-XXX-B/-W, TCu12-XXX-B/-W)
#14 (or #12) AWG stranded tinned copper (TCu) PVC insulated wire, 300 Vac, 105°C. Used to extend heating element bus braid wires to TB-4X5A Terminal Board.

Color Code: -B indicates black; -W indicates white
Spool Length: XXX = 50, 100, 150, 250 or 500 feet
 
CRIMP TOOL (TOOL-PRO)
Used to crimp CON-DB crimp connector. TOOL-PRO crimp tool is required as it is specially designed to properly crimp CON-DB crimp connector. Tool may be purchased or rented.

Optional Components
MICROREG CONTROLLER (MICROREG)
Electronic power controller with relay output for infinitely variable setting of requested heating output, up to 10A.
 
DIGI-LUX CONTROLLER (DIGI-LUX, DIGI-Therm, DIGI-Reg-1, DIGI-Reg-2)
Electronic Thermostat/Regulator combination (DIGI-LUX) used for zone control of STEP Warmfloor™ system. Thermostat (DIGI-Therm) can be flush wall mounted in single gang box. Each Regulator can control up to 2,500W of connected load. Up to three additional Regulators (DIGI-Reg-2) can be connected to first Regulator (DIGI-Reg-1) to allow for group control of up to 10,000W of connected load.

Residential Kits
RADIANT FLOOR HEATING KITS ( Click here for kit sizes )
Heating Element: EP-30-2-24W-24V (7.8 W/ft)
Approx. Area Covered: Up to 250 square feet

Residential Kits can be used for all flooring applications (including tile, stone, resilient, hardwood, carpet, etc.). Recommended spacing between strips is 2 to 4 inches. Maximum element length per fuse on each TB-4X5A Terminal Board is 5 Amps (15 feet). Maximum total length per strip of element is 24 feet; requires jumping two fuses. It is highly recommended to insulate the floor beneath the element.


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Indoor Air Quality is directly correlated with respiratory illness.  The last thing you want your mechanical system to do is to distribute dust, mold spores, pollen, and other particulates throughout the structure. Because radiant heat does not blow allergens, it helps those with allergies and asthma find dramatic improvement to their symptoms.