TYPICAL PIPING AND WIRING
ROOF-MOUNTING
CURB
SUPPLY-AIR
FLEXIBLE DUCT
CONCENTRIC DIFFUSER BOX
(FIELD-SUPPLIED)
RETURN
AIR
TOP COVER
CEILING
FROM
GAS LINE
*NEC - NATIONAL ELECTRICAL CODE
26
ROOF
RETURN-AIR
FLEXIBLE DUCT
INDOOR
THERMOSTAT
FROM
POWER
SOURCE
DISCONNECT
PER NEC*
A09607
A09608