By Raypak


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Part # 017990F

Alternate Part #'s RAY-151-1982

Product Description

Raypak ASME Cupronickel Heat Exchanger Kit for Model 407A Low NOx Heaters - 017990F

Units manufactured from 12/2019 have bronze headers and use this 017990F heat exchanger.  Note that the copper ones and the cupronickel ones are not inter4changeable.  Units manufactured prior to 12/2019 use cast iron headers and use 010363F for the heat exchanger.