specific installation instructions

13 of 36 © 2014 Watts Water Technologies
Completely embed the Factory Splice and heating cable in the floor mortar. Never bend
the factory splice. Never allow any part of the Factory Splice or heating cable to enter a
wall or cabinet or drop through the subfloor. Damage to the product will result.
Position the Power Leads & Factory Splice
STEP 3.9
Carefully cut the tie binding the power lead coil.
Do not nick the braid covering the power lead.
Locate the Factory Splice to ensure the power
lead will reach the SunStat electrical box or
junction box location. It is acceptable to run
the power leads several feet in the floor area
embedded in mortar if needed.
STEP 3.10
Draw an outline around the Factory Splice and
move it aside. Chisel a shallow channel to allow
the Factory Splice to lay flat with the rest of the
heating cable in the channel. Add hot glue in
the channel and set the Factory Splice in place.
3” spacing
2.5” spacing
3.5” spacing
Installing Cables on CableStrap
STEP 3.11
Weave the cable back and forth across the
area at the desired spacing until the other
side of the room has been reached. Once this
area is completed, press down all the tabs.
Install Cable Attachment Membrane
STEP 3.8
If using Schluter
®
DITRA-HEAT Membrane
or RPM mat, read and follow completely the
installation instructions given with that product.
Ensure that all cautions and warnings are
followed and that the product is well bonded
to the floor before continuing.
NEVER space the cables less than 2.5" apart.
STEP 3.12
If there are additional areas to cover with
cable, cut the lengths of strap necessary,
attach them to the floor, and begin weaving
the cable into that area.
STEP 3.13
To secure long lengths of heating cable,
place additional, short lengths of the strap at
3–4-ft. intervals. Spray the back of the strap
with a high-tack adhesive, and slide the strap,
upside down, under the cables. Turn the strap
over when it is positioned and adhere to the
Factory splice