ARCHIVED - ULTRA LOW NOX HIGH INPUT MODELS
MODEL NUMBERS
U-1-75S6RN U-100T6RN
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U-1 Models Prior to NAECA 2015 Regulation (Before April 16, 2015)
140-B 238-49953-00A (75 gallon) 238-47759-00E
(75 gallon)

238-47656-00C
(100 gallon)

49946-B
(100 gallon)

49945-B
(75 gallon)
238-50628-00A Click Here Click Here