Specification

2500 W
4000 W
°STELPRO reserves the right to modify descriptions, manufacturing specifications or prices without prior notice. No returns accepted on optional-color products.
For all the latest models and prices, please refer to our website at www.stelpro.com.
ST252NPFF – ST402NPFF
ELECTRONIC THERMOSTAT FOR FAN HEATERS
NON-PROGRAMMABLE
COLOR
• white
FINITION
• molded plastic
WATTAGE AND VOLTAGE
ST252NPFF
• 150 W to 1250 W @ 120 V
• 260 W to 2160 W @ 208 V
• 300 W to 2500 W @ 240 V
ST402NPFF
• 150 W to 2000 W @ 120 V
• 260 W to 3475 W @ 208 V
• 300 W to 4000 W @ 240 V
CONTROL
• three-wire connection
• compatible with forced-air units
• eco mode: One-click temperature
setback
• display in Celsius or Fahrenheit
ACCURACY
• accurate ambient temperature
control of ± 1°F
• CSA C828-13
• temperature sensing with
thermistor
TEMPERATURE RANGE
• 41 to 86 °F
WARRANTY
• three years
* independent study
A WIND OF CHANGE!
°STELPRO’s all-new non-programmable electronic thermostats designed specifically for fan heaters let you make the most of
your comfort thanks to advanced features such as “Boost” and “Lobby” modes. Harmonious design, superior technology and
safe operation merge to ensure your comfort in all circumstances.
ENERGY SAVINGS UP TO 12%*
ECO MODE
ONE-CLICK TEMPERATURE SETBACK
HEAT “BOOST” FEATURE
RAPID TEMPERATURE RISE
LOBBY MODE
COMPENSATES FOR FAST
TEMPERATURE DROPS
SAFE DESIGN
SEALED HOUSING
S
3
MOUNTING PLATE
STURDY, SIMPLE AND SAFE
INSTALLATION
TECHNICAL SPECIFICATIONS
PRODUCT WATTS TENSION MAX. AMPERAGE FREQUENCY PACKAGING UNIT PRICE
CODE MINIMUM MAXIMUM VOLTS AMPERES HZ
ST252NPFF
150/260/300 1250/2160/2500 120/208/240 10.4 60 BOX 48.00
ST402NPFF
150/260/300 2000/3475/4000 120/208/240 16.7 60 BOX 59.00
DIMENSIONS ST252NPFF: 4,35 in. wide, 4,94 in. high and 1,38 in. deep
DIMENSIONS ST402NPFF : 4,94 in. wide, 4,94 in. high and 1,38 in. deep
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FC_ST252-ST402_NPFF_US_030619