WARNING: IMPORTANT NOTICE
A SOLID METAL BASE PLATE (SEE TABLE) MUST BE IN PLACE WHEN THE FURNACE IS
INSTALLED WITH SIDE AIR RETURN DUCTS. FAILURE TO INSTALL A BASE PLATE COULD CAUSE
PRODUCTS OF COMBUSTION TO BE CIRCULATED INTO THE LIVING SPACE AND CREATE
POTENTIALLY HAZARDOUS CONDITIONS.
FURNACE BASE
WIDTH
SOLID BOTTOM BASE
PLATE SIZE
IN. [mm]
KIT NO. PLATE NO.
IN. [mm]
14
1
/2 [356] RXGB-D14 AE-61874-01 11
5
/8 x 23
9
/16 [295 x 598]
17
1
/2 [445] RXGB-D17 AE-61874-02 15
1
/8 x 23
9
/16 [384 x 598]
21
1
/2 [533] RXGB-D21 AE-61874-03 18
5
/8 x 23
9
/16 [473 x 598]
24
1
/2 [622] RXGB-D24 AE-61874-04 25
5
/8 x 23
9
/16 [651 x 598]
FOR HIGH ALTITUDES:
OPTION CODE FOR HIGH ALTITUDE: 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.
[ ] Designates Metric Conversions
SIDE RETURN FILTER RACK: RXGF-CD
BOTTOM RETURN FILTER RACK FOR
UPFLOW APPLICATION: RXGF-CB
4" FLUE ADAPTER: RXGW-C01
INDOOR COIL CASINGS
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