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  1. Home
  3. Residential Heating Products
  5. Thermostat & Controls
  7. Non-Programmable Electronic Thermostats

ST252NPFF-ST402NPFF

Non-Programmable Electronic Thermostats

A wind of change!

Specially designed for fan heaters, these models deliver the utmost comfort thanks to their advanced features such as boost and lobby modes. Bringing together harmonious design, superior technology and safety, they offer comfort with complete simplicity.

Characteristics

Advantages
  • Up to 12% in energy savings*
  • ECO mode for one-click setpoint lowering
  • Boost mode for fast temperature rise
  • Lobby mode to compensate for rapid temperature drops
  • Unmatched precision: high-quality sensors and advanced algorithms
  • S3 mounting plate for easy, sturdy and safe installation

* independent study

COLOR
  • White
FINISH
  • 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
  • Maximum power when “boost” mode is activated (with a timer)
  • 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
  • Five years

Video

  • 3 wires electronic thermostat installation

Documents

ST252NPFF-ST402NPFF

Specsheet

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ST252NPFF-ST402NPFF

Technical drawings ST252NPFF

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ST252NPFF-ST402NPFF

Technical drawings ST402NPFF

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ST252NPFF-ST402NPFF

Version 6B and below user guide

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ST252NPFF-ST402NPFF

Version T07 and above user guide

PDF

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ST252NPFF-ST402NPFF

Shop drawings

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Related Products

  • ST402PFF | AMBIANCE

    ST402PFF

    Programmable Electronic Thermostat

  • ST252NP-ST302NP-ST402NP

    Non-Programmable Electronic Thermostats

  • ST302P-ST402P

    Programmable Electronic Thermostat

Specifications