Stelpro USA

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All Systems Operational

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

  • logo Flextherm

Patio Door Heater

Small in size, big on heat


This PDH electric baseboard is designed to radiate constant heat near patio doors or bay windows. It creates a warm air curtain that rises across the entire width of the glass surface, preventing cold air infiltration and fogging. As robust as it is compact, it can even be used as a sill step.

Product images

  • PDH | Ambiance
  • PDH | Ambiance
  • PDH | Angle
  • PDH | FACE




  • Solid construction
  • Designed specifically to prevent cold air entry from patio doors
  • Faux sections, pedestals and finished backs available – Customizable installation
  • Full-length wireway

Ideal for

  • Kitchen
  • Living room
  • Solarium



  • Epoxy-polyester powdercoat


  • 4 in. x 4 in. compact profile
  • Solid, 18-gauge steel cabinet and front that may be used as a step
  • Thermal protection with automatic reset
  • Full-length wireway
  • Pencil-proof openings of less than 1/4 in. prevent foreign objects from entering the unit


  • Single tubular, stainless steel sheathed element with boxed aluminum fins for improved heat dissipation securely fastened at its centre, floating in nylon sleeves at each end, eliminating expansion and contraction noises


  • Wall thermostat (not included) – the use of an electronic thermostat is strongly recommended
  • Built-in thermostat accessible without removing front grille, installed in the left junction box only (optional)
  • Low voltage relay kit installed in the left or right junction box (optional)


  • Surface mounted
  • Wall or floor mounted with or without pedestal kit (optional)
  • Wiring compartment at both ends of unit
  • Blank sections (custom lengths) and accessories are available for a continuous look (optional)


  • Three years