PENSOTTI DK2-3, User Manual

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This manual has previously provided information for Natural and Mechanical draft applications. In
addition to instructions provided dealing with those applications the following instructions must be
followed for Direct Vent Installations.
Figure 11 below shows a typical direct vent installation. It is
suggested that you refer to this figure while adhering to the instructions shown below the figure.
Pensotti Boilers and Z Flex recommend that the entire heating appliance including the direct vent
assembly be checked annually by a qualified heating professional.
-Maximum will thickness should not exceed 14 inches. Contact Pensotti Boilers for options if your
wall is thicker than 14 inches.
-The Pensotti-Z Flex system is designed for single appliance use only. It is not designed for
common venting unless specific approval is obtained.
-An appliance adapter test port must be used as required by Z Flex for combustion testing.
-All local, state, and national codes must be followed for the installation of oil burning equipment.
In the USA refer to NFPA 31; in Canada refer to CAN/CSA-B139 and other local regulations.
-Clearances From Combustibles
Concentric Vent Termination ( with combustion air pipe connected) 0”
Z-Flex Exhaust Pipe 1”