X

Updated: May 20th, 2026

The X indoor gas-fired gravity-vented duct furnace is designed to provide 80% thermal efficiency for indoor applications with gravity venting.

Marketing

Reznor HVAC products

RZAPLCNAREVL

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Gas-fired duct furnace brochure

783F

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Gas-fired duct furnace catalog

784F

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Marketing (French)

Produits de HVAC de Reznor

RZAPLCFC

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Warranty

Warranty/Garantie

1036195

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Technical Specifications

Technical specifications list

X-TSL

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Wiring diagram

X-WD

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X Dimensional Drawings

XDIMS

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Installation Instructions

Installation, operation, and maintenance

150491

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Installation Instructions (French)

Installation, fonctionnement et entretien

235995

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Replacement Parts List

Replacement parts for currently-manufactured units

X-RPL

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Replacement parts policy

PARTS-POLICY

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Replacement parts for units manufactured before June 2015

264000

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Functional replacements for ignition systems, gas valves, and Maxitrol control systems for units manufactured before June 2015

GAS-CTRL-RPL

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Replacement Kits

Replacement kits for current and discontinued models/Kits de remplacement pour les modèles actuels et discontinués

REZNOR-RPL

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Options/Conversion Kits

Gas conversion for currently-manufactured units

143147

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Gas conversion for discontinued models and for current models manufactured before June 2015

143147

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Power vent kit installation (options CA1, CA2, and CA3)

136958

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Images

Reznor Duct Furnace (TIF)

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