Energy Saver
COMMERCIAL 24 VOLT FLUE DAMPER
SERIES WATER HEATER
ATMOSPHERIC GAS WATER HEATERS
SERVICE
MANUAL
Troubleshooting Guide and
Instructions for Service
(To be performed ONLY by
qualified service providers)
Models Covered
by This Manual:
For the Bock Water Heaters
“W” Series Models:
38W-155
75W-(125, 160, 300)
66W-(370, 399)
80W-(180, 199, 250)
80W-(425, 450, 505)
100W-(199, 250, 270, 300)
Manual 47324A
Save this manual for future reference.