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- Electrical power panel (optional). Houses motor starter and disconnect switch. Meets NEC and UL.
- Combustion air motor and blower.
- Burner with optional low NOx feature.
- Inlet connection for thermal fluid.
- Burner end plate. Insulated with 6-inch ceramic fiber blanket.
- Duct (used only with optional flue gas recirculation).
- Exhaust stack with rain cap and protection screen.
- Helical coil. Built to ASME code.
- Ceramic fiber blanket insulation. Three-inches thick. Additional thickness is optional.
- Heater shell. All-welded construction of 1/4 to 3/8-inch thick A-36 steel plate, depending on size of heater.
- Heater shell end plate. Bolted to heater shell and insulated with 5-inch ceramic fiber blanket. Easily removed for access to heater coil. Has peep sight for inspection of heater coil and flame pattern. Larger heaters also include a manway.
- One of four lifting eyes. Integral with shell support saddles.
- Fabricated steel saddle. Two or more are used to support the heater, depending on its size.
- Rigid skid fabricated from structural steel channels (or I-beams).
- Electrical panel. Meets NEC and UL. Houses switches, controllers and status lights. All wiring is run in raceways. Wiring and terminals are numbered. All controls are pre-wired.
- Fuel train inlet. Components of fuel train are easily accessible for service.
- Skid extension for added support of fuel train and burner controls
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