Mr. Heater Big Maxx Natural Gas High-Output Commercial Unit Heater, 400,000 BTU, Model# MHU400
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Heat Output
- Requires only 1in. clearance from ceiling with threaded rods (sold separately)
- Spark Ignition with self diagnostic control module
- Designed for right or left side piping, electrical and flue connections by simply rotating 180°
- Aluminum tubular heat exchange for maximum efficiency and longer life
- Ships as Natural Gas unit
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