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Thread: Rheem system

  1. #1
    I just estimated a new AC/Furnace system. One of the problems is the model # for the furnace does not show up on the Rheem website. It is RGPH07NAMGR. I'm concerned that this is an outdated model?

    I have a 1700 square foot house. Living levels on levels 2 and 3 and garage down below. Southern California. High ceilings in living room on level 2. Flat roof and the 3rd story never stays cool enough. I'm only going to be in the house another 5 years or less, so I asked for a 12 Seer 4 ton, Single Stage 80% Furnace.

    I think I'm going with Rheem because of the size of the Condensor. A tankless water heater must be installed above the unit and this short size fits the bill.

    RAMC048JAZ for the Condensor, RCGA48AIGH21BI for the Coil and RGPH07NAMGR for the Furnace.

    Any thoughts from anyone? How can I tell how many BTU's I need? All suggestions will be most appreciated.

  2. #2
    Join Date
    Nov 2004
    Location
    SW FL
    Posts
    6,432

    Sizing & Selection

    Originally posted by rugratatheart
    Southern California.
    High ceilings in living room on level 2.
    Flat roof and the 3rd story never stays cool enough.
    I'm only going to be in the house another 5 years or less, so I asked for a 12 Seer 4 ton, Single Stage 80% Furnace.

    How can I tell how many BTU's I need?
    MORE than you currently have ... "never stays cool enough".

    Condenser size should not be a factor in equipment selection.

    or use ACCA Manual J method
    ... 4-ton "sounds about right".
    Designer Dan
    It's Not Rocket Science, But It is SCIENCE with "Some Art". ___ ___ K EEP I T S IMPLE & S INCERE

    Define the Building Envelope and Perform a Detailed Load Calc: It's ALL About Windows and Make-up Air Requirements. Know Your Equipment Capabilities

  3. #3
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    34,613
    The RGPH has been replaced by the models with the solid front which are much quieter. If the unit is in a sound sensitive area, the new one would be better. If an attic or garage, no biggie.

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