
INSTALLATION SPECIFICATIONS
22
September 2006 / WHISPER 9.5/12.5/15/20 ULTRA / US
W
H
ISPE
R
1
2
ULT
R
A
W
H
IS
P
E
R 1
6
U
L
T
RA
Fig. 23: Installation materials water inlet and air vent
* Hose drain should go downwards. Water must flow out freely. Refer to installation manual for proper installation air-vent kit.
Faulty installation can cause serious problems
Whisper 9.5 Ultra
Whisper 12.5 Ultra
Whisper 15 Ultra
Whisper 20 Ultra