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.
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