Specification Sheet

Air
Accessories
R801S (DF) Series
8
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.
GXGP-F03
PARALLEL FURNACE KITS—are for parallel operation requirements.
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
®
.
RXGF-DB*
Each order contains (1) one box of 10 filter racks supplied without filters.
*Filters available through PROSTOCK
®
.
FOR HIGH ALTITUDES:
HIGH ALTITUDE OPTION CODE: U.S. –
None required for high altitudes.
HIGH ALTITUDE CONVERSION KITS: U.S. –
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.
[ ] Designates Metric Conversions
COMBUSTIBLE FLOOR BASE DIMENSIONS
COMBUSTIBLE
FLOOR BASE
USE WITH
FURNACE SIZES
RXGC-B14 801S050
RXGC-B17 801S075, 801SA100317
RXGC-B21
801SA100421,
801SA100521
RXGC-B24 801S125, 801S150
A
IN. [mm]
B
IN. [mm]
C
IN. [mm]
14
1
/2 [368] 13
1
/4 [337] 11
1
/4 [286]
18 [457] 16
3
/4 [425] 14
3
/4 [451]
21
1
/2 [546] 20
1
/4 [514] 18
1
/4 [464]
25 [635] 23
3
/4 [603] 21
3
/4 [552]