Industry first!
Constant torque motor (ECM ) available
The OPH series Plenum Rated Unit Heater is ideal for heating the space between the structural ceiling and suspended ceiling. It is also designed to be part of a duct system for central heating. It can be installed both vertically and horizontally (see specifications).
A wide variety of options, sold in kits or factory installed, are available with the OPH series (filters, built-in thermostat, constant torque motor (ECM), etc.)