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 Casing
- G-90 galvanized steel
- self-locking wall seam and roof panels
- waterproof construction
- standing roof seams (RAM 18 and larger)
- single casing construction (RAM 9-230)
- hinged service doors with flush-mount latches
- six discharge options
Burner Profile
- adjustable profile plates
- optional 80/20 arrangement
- optional two-speed arrangement
- optional VFD arrangement
Burner
- wide-range high capacity line burner
- up to 30:1 turndown ration
- electric pilot spark ignition
Blower
- FC-DWDI centrifugal blower assembly
- v-belt drive
- 100,000 hour greasable bearings (RAM 20-236)
- permament lubricated bearings (RAM 9-18)
- solid steel shaft
- continous shaft on twin units
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 Burner Observation Port
  Base and Lifting Lugs
- formed G-90 galvanized-steel base
- flat or curb mount
- standard heavy-duty lifting lugs
- optional hanging-mount lifting lugs (RAM 9-230)
Motor
- standard open drip proof w/adjustable motor mount
- v-belt drive
- starter with burner interlock
- adjustable drive over 7.5 horsepower
Gas Connection Main Fused Disconnect
Manifold Controls Vestibule
- weatherproof enclosure
- easy-access to manifold and controls
- manifold built to required codes
Electrical Controls Vestibule
- weatherproof enclosure
- easy-access to manifold and controls
- exhaust-interlock terminals
- terminal strip for quick service check
- burner and blower service switches
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