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PRODUCT SPECIFICATIONS
Heating Element Model:
EP-30-2-44W-24V

Output Wattage (at 24 Vac):
14.0 W/ft (45.9 W/m) @ 68ºF (20ºC)

Nominal Resistance:
41 Ω/ft (13 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 Sunroom™ is designed to provide heated floors in sunrooms, conservatories, etc. For these applications, the floor covering is limited to concrete, tile and stone.
  • STEP Sunroom™ has a higher wattage output than the standard residential element, as these types of constructions have high heat losses.
  • A heat loss calculation is required to find out if STEP Sunroom™ can sufficiently heat a sunroom all year round. This will depend on the type of construction and insulation values of the substrate, ceiling and windows.
  • STEP Sunroom™ heating elements are normally connected to a 24V step-down transformer but they can also run on solar or wind power.
  • STEP Sunroom™ is self-regulating and cannot overheat, thereby using less electricity.
  • STEP Sunroom™ is strong, thin and flexible, easy to install and can be cut to size on the job site.

System Components
HEATING ELEMENT (EP-30-2-44W-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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Did You Know?

STEP Warmfloor™ is the most energy efficient heating available because the material itself is self-regulating and only draws the energy it needs to maintain an even temperature on the whole surface.  The heating elements cannot overheat.