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MODELS 512 - 825
Locate and assemble as shown below. Secure with
screws supplied in envelope in carton
Fig. #8167.0
13
MODELS 181-399
Step 1. Shut off main electrical power switch to heater.
Step 2. Turn heater manual switch located in upper control panel to the "OFF" position.
Step 3. Shut off gas supply and water supply to the heater.
Step 4. Mount drafthood on top of boiler as shown on page 8. Drafthood should be positioned with the vent
sensor located on the front right side as shown.
Step 5. Remove plastic plug from left side of boiler jacket and install plastic grommet provided.
Step 6. Route flue sensor wire harness through the grommet installed in Step 5.
Step 7. Remove door and locate wire from roll out sensor to hi limit with the male/female connector.
Step 8. Disconnect male/female connector and attach to the 2 wires from draft hood vent sensor harness.
HEATER BEFORE
DRAFTHOOD
INSTALLATION
Fig# 9349
HEATER AFTER
DRAFTHOOD
INSTALLATION
Fig# 9350