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INSTALLATION AND OPERATING INSTRUCTIONS
FOR AQ-1 POWER VENT KIT
DESIGNED FOR
BOSCH 425 HN WATER HEATERS
AQUASTAR 125B WATER HEATERS
INCLUDING AQUASTAR MODELS: 125HX • 125BS • 125X • 125BL
TABLE OF CONTENTS
contents with an AQ-1 power vent p.1
mounting gas pressure switch p.2
mounting linear spillage switch p.4
common setup p.6
locating vent hood (clearances) p.7
mounting power vent motor (clearances) p.7
troubleshooting and maintenance p.9
safety interlock test p.10
AQ-1 wiring diagram p.11
vent hood template p.12
8504077 rev. B 10.03