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OTS

Trench insert floor convector
Series OTS
The OTS series trench floor insert heater is a safe and approved heater to be installed under a floor level grille inside a site-built trench. With its 3 ¾ “high and 5“ wide profile, sturdy steel construction and standard black cover the OTS is easily installed and concealed in trench heat applications. The OTS series is available in 36", 48" and 60" lengths and three different Watt densities. This versatile product will allow for many custom and architecturally pleasing heater design applications.


Our standard corrosion and heat-resistant white and almond are at the top of the line of today’s paint technology, maintaining that brand new look of your unit for years and years.

For those projects where a specific color is desired, you can choose from our custom color charts and get Ouellet heaters exactly as you want them. We also offer anodizing aluminum products.

Standard Colors

Semi-Gloss Black (NL)

Optional Colors

White (BL)
Almond (AM)
Metallic Silver (AE)
Bronze (BZ)
Metallic Charcoal (CM)
Aluminium (AL)
Sand (SA)