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Rheem (-)GRC Series - User Manual

Rheem (-)GRC Series
56 pages
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92-24161-88-00
INSTALLATION INSTRUCTIONS
FOR UPFLOW & DOWNFLOW/HORIZONTAL HIGH
EFFICIENCY CONDENSING GAS FURNACES
(-)GRC/(-)GTC SERIES
U.L. recognized fuel gas and CO (carbon monoxide) detectors are recommended in all
applications, and their installation should be in accordance with the manufacturer’s
recommendations and/or local laws, rules, regulations, or customs.

Questions and Answers

  • V
    Valerie ThompsonAug 10, 2025
    What to do if burner flames are distorted in Rheem (-)GRC?
    • J
      jimenezrebeccaAug 11, 2025
      If the burner flames in your Rheem Furnace are distorted, inspect the vent and inlet air system for any obstructions that might be causing back pressure.
  • M
    Mr. James Ball DVMAug 19, 2025
    How to deal with obstructed air supply registers and return air grilles in Rheem Furnace?
    • M
      Matthew McmillanAug 20, 2025
      To optimize the performance of your Rheem Furnace, make sure furniture and drapes do not block the supply air registers and return air grilles.
  • L
    Linda MooreAug 30, 2025
    Why should doors and windows be closed when using Rheem Furnace?
    • D
      david66Aug 30, 2025
      To help your Rheem Furnace operate efficiently, close doors and windows to reduce the heating load on the system.

Rheem (-)GRC Series Specifications

General IconGeneral
Heating Capacity40, 000 to 120, 000 BTU/h
Fuel TypeNatural Gas
ConfigurationUpflow
StagesSingle Stage
Warranty10-Year Parts

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