Accessories - Rheem R801T DF Series Manual

Accessories

Air
R801T (DF) Series
DOWNFLOW ACCESSORIES
DOWNFLOW WARNING: Unit design is certified for installation on non-
combustible 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.
COMBUSTIBLE FLOOR BASE DIMENSIONS
COMBUSTIBLE USE WITH
FLOOR BASE FURNACE SIZES
RXGC-B17 R801T075317
RXGC-B21 R801T100521, R801T075521 21
RXGC-B24 R801T125
[ ] Designates Metric Conversions
8
A B C
IN. [mm] IN. [mm] IN. [mm]
18 [457] 16 3 / [425] 14 3 / [451]
4 4
1 / [546] 20 1 / [514] 18 1 / [464]
2 4 4
25 [635] 23 3 / [603] 21 3 / [552]
4 4
RXGF-CC*
FILTER RACK—Downflow top return mount. Requires (2) 14 x 20 Filters.
NOTE: Filter racks are shipped without filters.
*Filters available through PROSTOCK
FOR HIGH ALTITUDES:
HIGH ALTITUDE OPTION CODE: U.S. & Canada –
None required for high altitudes.
HIGH ALTITUDE CONVERSION KITS: U.S. & Canada –
None required for high altitudes.
80+ HIGH ALTITUDE INSTRUCTIONS
Caution: Always follow National Fuel Gas Code (NFGC) guidelines when
converting for high altitudes.
High altitude option codes are not required for these models. However, the
burner orifice size needs to be recalculated and verified at elevations above
2000 ft. See Installation Instructions for more information.
NOTE: For Canadian installations only, an optional derate (manifold gas
pressure reduction) method may be used to adjust the furnace for
altitude. See Installation Instructions for more information. This
optional method may NOT be used for U.S. installations.
® .