GE GN94DNSRSA - Manual (Page 4)

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380301 Specification Created 1/08
GN94DNSRSA
GE ® Indoor Tankless Water Heater
Dimensions and Installation Information (in inches)
Additional clearances—vent terminal
These clearances are applicable to both
concentric termination and non-concentric vent
exhaust terminations.
• Avoid termination locations near a dryer vent.
• Avoid termination locations near
commercial cooking exhaust
FLUe INSTALLATIoN - CoNDeNSATe DRAIN
HORIZONTAL TERMINATION WITH A CONDENSATE DRAIN
Concentric Vent Piece equivalent Length
Straight 1 ft (per foot length)
90˚ elbow 6 ft each
45˚ elbow 3 ft each
Total vent length = straight ft + 90˚ elbows x 6 ft + 45˚ elbow x 3ft
Note: Vent dimensions = up to 5 3/4 inches. Please read vent supplier's
installation manual for specific dimensions.
VeRTICAL TeRMINATIoN (condensate collector
required in all installations)
Vent Length Calculations
Maximum System performance is achieved at a vent length of 21
equivalent feet or less. The system is capable of 41 equivalent feet length if
required, but this reduces system performance. For vent length calculations,
a 90˚ elbow counts as 6 feet and a 45˚ elbow counts as 3 feet—see the
chart below.