Features

• The back box shall be designed as a recessed rough-in box in either masonry or frame installation and is also used when surface mounting frame are used in surface mounting installation
• The back box shall be heavy gauge galvanized steel and shall contain knockout through which power lead enter
• The heater assembly, which fit into the back box, shall consist of a heavy gauge steel fan panel to which all of the operational part of the heater are mounted
• The inner frame assembly shall be completely prewired
• The heating element shall be of the non-glowing design consisting of an 80/20 nickel chromium resistance wire enclosed in a steel sheath to which plate fins are copper brazed
• The element shall cover the entire air discharge area to ensure uniform heating of all discharged air
• A double-pole, single throw on/off switch shall be mounted on the back box for positive disconnect of power supply
• It will be completely concealed behind the front cover
• The fan motor shall be impedance protected, permanently lubricated
• Fan control shall be bi-metallic, snap action-type and shall activate fan after heating element reach operating temperature and continue to operate the fan after the thermostat is satisfied and until all heated air has been discharged
• The thermostat shall be single pole-type on all model
• Thermal cutout shall be self hold (manual reset) type designed to shut-off heat in the event of over heating
• The fan shall be four bladed aluminum
• A backup (end of life) thermal fuse shall be provided for additional safety
• The surface mounting frame shall be of heavy gauge steel designed to mount around the back box for a finished surface installation
• Slot knockout shall be provided for power supply conduit
• The louvered front cover shall be of heavy gauge steel with a powder paint finish
• A plug button will be provided to replace the thermostat knob and render the unit tamper-resistant
• All sheet metal part, except the galvanized steel back box, shall be phosphatized, then completely painted by a powder paint process