Schluter® DITRA-HEAT Floor Heating Cable, 240V, for Heated Tile Floors
Official Schluter name: DITRA-HEAT-E-HK Heating Cable 240V (DHEHK240)
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- Cables snap into the membrane; clips and fasteners are not required
- No self-levelers required to encapsulate the cables; installation time significantly reduced
- No return to thermostat required
- Produces virtually zero electromagnetic fields
- 120 V and 240 V options available in a variety of lengths
Description
Description
Electric heating cable for a Schluter heated tile floor. It snaps into DITRA-HEAT membrane with no clips, fasteners or self-leveler, and only one end runs back to the thermostat. Lengths here cover 10.7 to 183 sq ft.
The 240V DITRA-HEAT cable is the right choice for most heated tile floors — it draws half the amps of 120V for the same heat output, which means you can heat larger areas on a single circuit.
- Twin-conductor twisted-pair design produces essentially zero EMF — snaps directly into DITRA-HEAT and DITRA-HEAT-DUO membranes with no clips or self-leveler needed
- Available in multiple lengths from 10.7 to 183 sq ft coverage — one cable per thermostat circuit (up to 15A), add a power module for larger zones
Pro tip: Measure your actual tileable area (exclude vanities, toilets, tubs) and pick the cable length closest to that number. You can't cut heating cable shorter, but you can tighten the spacing slightly.
Common questions
120V or 240V?
Match the cable to the voltage of the circuit feeding the thermostat. For the same heat, a 240V cable draws half the amps of a 120V cable, so it suits larger areas.
Which length do I need?
Pick the cable that matches the heated floor area, not the room size: leave out vanities, tubs and toilets. Heating cable can't be cut shorter.
Which membrane and thermostat?
DITRA-HEAT or DITRA-HEAT-DUO membrane, with any DITRA-HEAT thermostat.
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Heated floor calculator
Size your DITRA-HEAT kit for your room
Enter your floor size and what's on it. We size the heating cable, membrane and thermostat, show the price, and add the whole kit to your cart.
Heating Cable Sizing Calculator
Enter your room dimensions to find the right cable for your project
120V vs 240V — What’s the difference?
* Coverage values are from Schluter’s official product specifications at standard 3” cable spacing in DITRA-HEAT membrane. When multiple cables are required, each cable must be on its own thermostat circuit. Confirm sizing with a licensed electrician before purchasing.
Specifications
Identity
How DITRA-HEAT Works in 4 Steps
1. Install the membrane
Bond DITRA-HEAT to your substrate with unmodified thinset. Works over concrete, plywood, or OSB subfloors.
2. Snap in the cable
Run the DITRA-HEAT-E-HK cable between the studs at 3″ spacing. No mesh, no staples, no plywood overlay.
3. Tile right over it
Apply thinset and set tile, stone, or LVT directly on the studs. The membrane stays as your waterproof, uncoupled layer.
4. Set your thermostat
Wire the included floor sensor to any DITRA-HEAT thermostat — basic, touchscreen, or WiFi smart — and you’re heating.
Engineered Layer by Layer
