CAUA

Updated: Jun 22nd, 2026

The CAUA gas-fired indoor upflow air handler—available as a power-vented or separated-combustion unit—provides heating with standard 100% return air or optional makeup air for indoor spaces.

Marketing

Reznor HVAC products

RZAPLCNAREVL

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Application Sheet Warehouse and Distribution

RZVMWNA

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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

CAUA-TSL

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Wiring diagram

CAUA-WD

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CAUA Dimensional Drawings

CAUADIMS

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Installation Instructions

Installation, operation, and maintenance

164771

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Installation Instructions (French)

Installation, fonctionnement et entretien

235992

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Replacement Parts List

Replacement parts

CAUA-RPL

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Replacement parts policy

PARTS-POLICY

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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 kit installation

170635

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Outside/return air mixing box installation (options GA6 and GA8)

170640

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Return air filter cabinet installation (CW4-CW16)

166162

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Images

Reznor Air Handler (TIF)

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Reznor Air Handler install (TIF)

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