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PRODUCT SPECIFICATIONS
Heating Element Model:
EP-30-2-29W-24V

Output Wattage (at 24 Vac):
9.0 W/ft (29.5 W/m) @ 68ºF (20ºC)

Nominal Resistance:
64 Ω/ft (20 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 Commercial™ is designed to provide healthy and comfortable warmth in an office, warehouse, factory, etc. The system is ideal for new construction and renovation.
  • STEP Commercial™ can be installed in concrete or over the concrete slab and can go under almost any flooring.
  • STEP Commercial™ does not create drafts and blow dust around. The heat stays where you want it at the body level and not in the ceiling.
  • STEP Commercial™ is maintenance-free and does not require a machine room or dangerous storage of fuel or gas.
  • STEP Commercial™ operates on 24 volts and is normally connected to a transformer but it can also be run on solar or wind power.
  • STEP Commercial™ is self-regulating. As the material gets warmer, less electricity passes through the plastic – therefore it is extremely energy-efficient.
  • STEP Commercial™ is strong, thin and flexible, easy to install and can be cut to size on the job site.

System Components
HEATING ELEMENT (EP-30-2-29W-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.
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
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.).
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.


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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.