Stelpro USA

It appears you’re in Canada. You’re currently viewing the American website. Note that currencies and availability on the American and Canadian websites differ.

Vous semblez provenir du Canada, mais vous êtes actuellement sur le site américain. Veuillez noter que les devises et la disponibilité des produits diffèrent d’un site à l’autre.

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Rester sur le site américain

Visit the Canadian website
Aller sur le site canadien

All Systems Operational

Since Tuesday, 02/23/2021 04:00
Eastern Time Zone

  • logo Flextherm

Electric Furnace

An excellent quality-price ratio

SEFB Discontinued product

This furnace will charm both installers and users with its simple functionality and easy maintenance. The SEF adapts to each home's air volume and duct configuration. Tired of being too cold or too hot in spring and autumn? The SEF seasonal transition options are the solution. Now power, versatility, security and style are combined in one truly great appliance. It can also be installed in mobile homes using the FSB1 adapter.

Product images


  • Continuous mode at 2.5 kWIncreases the temperature to reduce feeling cold air currents in recirculation
  • Independent fan relay for starting the fanIn order to reduce the demand on the first sequencer
  • Adjustable louversBetter control over static pressure, airflow and ΔT


  • Light charcoal


  • Powdercoated


  • Robust monopiece galvanized steel cabinet
  • Adjustable louvers (better control over static pressure, airflow, ΔT and noise)
  • Compartmentalized door providing easy access to all components
  • Disposable air filter 20 x 20 in. (included)
  • Compatibility mechanism for air conditioners and heat pumps (included)
  • Pilot lights clearly identifies the selected modes


  • Totally enclosed, permanently lubricated motor
  • Design including a motor start relay for starting the fan in order to reduce the demand on the first sequencer


  • See the selection table


  • Separately framed elements allowing quick and easy replacement
  • M-shaped elements supports increasing heat transfer surface


  • Power selector
  • Continuous ventilation (low speed)
  • Low speed (2.5 kW)


  • Three possible installation positions: upflow, downflow or horizontal.
  • Installation directly against a wall (“zero inch” clearance)


  • Five years