GAS FURNACES
SiNGlE StAGE, two-StAGE, & ModUlAtiNG FURNACES
USER’S MANUAl
NoN-CoNdENSiNG GAS FURNACES
CoNdENSiNG GAS FURNACES
80+ AFUE
92.1% AFUE
95% - 97% AFUE
*SA Upflow / Horizontal
Furnaces
*SC Upflow / Horizontal
Furnaces
*Sd, *tC, *MQ Upflow /
Horizontal Furnaces
*SK downflow
Furnaces
*Sl downflow
Furnaces
*SM & *tl downflow
Furnaces
wARNiNG
FiRE oR EXPloSioN HAZARd
• Failure to follow safety warnings exactly could
result in serious injury or property damage.
• Installation and service must be performed by
a qualified installer, service agency or the gas
supplier.
• Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
wHAt to do iF YoU SMEll GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use
any phone in your building.
• Leave the building immediately.
• Immediately call your gas supplier from a
neighbors phone. Follow the gas suppliers
instructions.
• If you cannot reach your gas supplier, call the
fire department.
do Not dEStRoY. PlEASE REAd CAREFUllY & KEEP iN A SAFE PlACE FoR FUtURE REFERENCE.
