F
Updated: Jan 9th, 2025Product - Unit Heaters - F

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Comp Edge: With over 70 years of production, Reznor Unit Heaters are the proven leader in the industry
363f
DOWNLOADTechnical Specifications
Installation Instructions

Instructions for installing a manual summer/winter fan switch on Model F
I-F-CH1_v02 PN98294R2
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Instructions for installing a stepdown transformer for Models F & B
I-F&B-X (2-15) PN102265R5
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Instructions for installing low ambient control relay for Models F & B
I-F_B-LA (01-15) PN131134R1
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Instructions for installing the downturn nozzle for Models F & B
I-F-B-DN (06-15) PN97926 R4
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Instructions for assembly of required vent outlet for Models F & B in sizes 250, 300 & 400
I-F_B250 300 400-HV_v01
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Instructions for required field assembly of vent outlet for Models F & B in size 125
I-F_B125-HV_V01
DOWNLOADReplacement Parts List

Replacement parts for ignition systems, gas valves, and Maxitrol control systems on units manufactured before June 2015
263995
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Replacement gas valve kit installation for heaters with serial number code M8, U8, or U9
222039
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Installation instructions for re-designed burner rack support included in replacement heat exchanger for Models F, B, FE, & BE
CP-S100-BRS_v01 PN132544
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Ignition conversion kits to convert older Model F & B heaters with standing pilot to spark-ignited, intermitten safety pilot with or without lockout
CP-FB IGN-11-3-16PN100550R7
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