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6 Rheem Manufacturing Company
ACCESSORIES—DOWNFLOW
DOWNFLOW WARNING: Unit design is certified for installation on non-com-
bustible floor. A special factory supplied combustible floor sub-base is
required when installing on a combustible floor. Failure to install the sub-base
may result in fire, property damage and personal injury.
RXPF-F01 and F02
FOSSIL FUEL KITS—are for use
with Rheem Heat Pumps and
Criterion II warm air furnaces. The
RXPF-F02 meets TVA requirements.
RXGF-CC*
FILTER RACK—Downflow top
return mount.
NOTE: Filter racks are shipped
without filters.
*Filters available through
PROSTOCK™.
OPTION CODE FOR HIGH
ALTITUDE: US-277
Canada-298
(Kit packaged with furnace.
Requires field installation.)
PLENUM DATA—“A” COILS
Plenum adapters are required in some instances for use on downflow applications
when plenum and furnace size do not match.
NOTE: See Form Number C11-206 for MultiFlex coil data.
COMBUSTIBLE FLOOR BASE DIMENSIONS
COMBUSTIBLE
FLOOR BASE
USE WITH
FURNACE SIZES
A
IN. [mm]
B
IN. [mm]
C
IN. [mm]
RXGC-B14 RGLH-05 14
1
/2 [368] 13
1
/4 [337] 11
1
/4 [286]
RXGC-B17 RGLH-07, RGLH-10(-)A 18 [457] 16
3
/4 [425] 14
3
/4 [451]
RXGC-B21 RGLH-10(-)B 21
1
/2 [546] 20
1
/4 [514] 18
1
/4 [464]
RXGC-B24 RGLH-12, RGLH-15 25 [635] 23
3
/4 [603] 21
3
/4 [552]
FURNACE
WIDTH
IN. [mm]
PLENUM
WIDTH
IN. [mm]
PLENUM ADAPTER
DOWNFLOW
COIL
PLENUM
14 [356] 16
1
/4 [413] RXAA-C178 RXAL-B16BU
14 [356] 20
1
/4 [514] RXAA-C179 RXAL-B20BU
17
1
/2 [445] 16
1
/4 [413] RXAA-C186 RXAL-B16BU
17
1
/2 [445] 20
1
/4 [514] RXAA-C180 RXAL-B20BU
17
1
/2 [445] 21
5
/8 [549] RXAA-C189 RXAL-B21BU
17
1
/2 [445] 25
1
/4 [641] RXAA-C181 RXAL-B25BU
21 [533] 25
1
/4 [641] RXAA-C183 RXAL-B25BU
24
1
/2 [622] 25
1
/4 [641] RXAA-C184 RXAL-B25BU
21 [533] 22
1
/4 [565] RXAA-C182 RXAL-B22BU
24
1
/2 [622] 21
5
/8 [549] RXAA-C190 RXAL-B21BU
GENERAL TERMS OF LIMITED WARRANTY
Rheem will furnish a replacement for any part of this product
which fails in normal use and service within the applicable
period stated, in accordance with the terms of the limited
warranty.
For Complete Details of the Limited Warranty, Including Applicable Terms
and Conditions, See Your Local Installer or Contact the Manufacturer for
a Copy.
Gas Heat Exchanger Limited Warranty .......Twenty (20) Years
*Any Other Part..............................................One (5) Years
*This five year limited warranty is applicable only to single-phase products
installed in residential applications on or after January 1, 2001.