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22. APPLIANCE INSTALLATION
A Blocked Vent Switch is mandatory for installation with an oil fired appliance that normally
operates with its vent system under a negative pressure. This device is intended to detect a
blocked vent system, responds to hot flue gases backing up through its heat transfer tube,
and can be wired to shut off the oil burner. It requires manual resetting.
22.1. UNIT LOCATION
See Section 9.6 - UNIT LOCATION for more details regarding the unit location.
22.2. PARALLEL INSTALLATION
See Section 9.13 - PARALLEL INSTALLATION
22.3. MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS
N.B. This appliance must be installed in conformity with the instructions on the certification label.
THE INSTALLATION OF THE HEAT SHIELD (-1-) PROVIDED WITH THE FURNACE IS
MANDATORY.
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