INSTALLATION INSTRUCTIONS
LEFT SIDE WIRING
supply wires
B
new
connection
A
new
connection
A. For 120 volts, connect the neutral (white)
supply wire to the white heater wire.
Proceed to STEP 4 Finish installation.
LEFT SIDE WIRING
If you're wiring a BUILT-IN model BTF or Smart-Base thermostat for your heater, go to those instruc-
tions now and follow that installation. When complete, proceed to OPERATING INSTRUCTIONS.
If you're wiring a WALL thermostat for your heater, FOLLOW THE INSTRUCTIONS BELOW and the
diagrams in Figures 9a or 10a, depending on which side you're wiring. Route your electrical supply
wires from the circuit breaker to the wall thermostat, and then to the baseboard heater.
DO NOT CUT!
B
supply
wires
A
red
wire
Figure 9a
Wrap supply (white) wire with black tape to identify it as hot!
All model 8F2025 model baseboard heaters are factory set for 2500 watts. If you want to change to
2000 watts, follow the diagrams in Figure 9b or 10b, depending on which side you're wiring. If you do
not want to change your baseboard heater's wattage, proceed to STEP 4 Finish installation.
• For 2000 watt applications: Cut red wire and cap both loose ends with wire connectors, or wrap
loose ends with electrical tape. Proceed to STEP 4 Finish installation.
red wire capped
Wrap
supply
(white)
wire with
supply
wires
black tape
to identify
it as hot!
Left Side of Baseboard Shown
2000 Watt Configuration / Heater is wired on left side
Finish installation
STEP 4
Screw wiring compartment cover(s) back on. Turn power back on at the main disconnect panel.
Proceed to OPERATING INSTRUCTIONS.
120 VOLT ONLY
Figure 7c
120 volt baseboard
DO NOT CUT!
8F2025 ONLY
Cut the factory
connection without
the red wire.
A. Connect one
supply wire to one
heater wire.
B. Connect the
remaining supply
wire to the
remaining heater
wire.
8F2025 ONLY - CHANGING WATTAGE
DO NOT
CUT!
red wire capped
Figure 9b
5
supply wires
new connection
B. Connect remaining supply wire to remaining
heater wire with a wire connector (not
included).
Cut the factory
connection. Do not cut
any connections on
the left side.
A. Connect one
supply wire to one
heater wire.
B. Connect the
remaining supply
wire to the remaining
heater wire.
DO NOT CUT!
red wire
capped
Left Side of Baseboard Shown
2000 Watt Configuration / Heater is wired on right side
RIGHT SIDE WIRING
Figure 8c
120 volt baseboard
B
new
connection
A
RIGHT SIDE WIRING
supply wires
B
Figure 10a
red wire capped
Figure 10b
A
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