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Lubricate the gasket in the female side of the Concentric Adaptor with a few drops of water. Apply a bead of sealant to the 20)
Concentric Adaptor flange and secure to the Exterior Wall Plate using the four #6 stainless steel sheet metal screws provided. If
the Exterior Wall Plate is omitted as described in Step 17, secure the Concentric Adaptor directly to the exterior wall using four
masonry anchors, or other appropriate fasteners, capable of supporting at least 40lbs each.
If there is a cleanout at the base of the chimney, seal it. 21)
Assemble the concentric vent system between the boiler and the base of the chimney in accordance with the instructions in the 22)
appropriate BWC installation manual.
C. PPs Flex Maintenance
In addition to the maintenance steps described in the boiler installation manual, the use of the PPs Flex Liner system requires that
the following steps be performed by a service technician as part of the annual maintenance procedure:
Disconnect the concentric venting from the Concentric Vent Adaptor at the base of the chimney. Use a flashlight and mirror to 1)
inspect as much of the chase and PPs vent system as possible through the openings in this adaptor. Look for:
Loose mortar or other debris in the chase (old chimney). If any is found, clean it out. •
Damage or deterioration to visible portions of the PPs Flex system itself.•
Obstructions inside the PPs Flex system itself•
Visually inspect all exposed portions of the chimney inside and outside of the building that can be accessed without the use of 2)
ladders. Look for:
Deterioration of the masonry chimney including possible leaks at mortar joints.•
Damage, deterioration, or blockage of the Cap assembly•
Signs that water may be entering the chase•
If the above inspections suggest that further action is needed in order to assure that the chimney chase is still in compliance with 3)
Part B of this manual, perform additional inspections and repairs as necessary.
Reassemble the concentric vent system between the base of the chimney and the boiler. Verify that it is properly supported.4)
Inspect the Exterior Wall plate and Concentric Adaptor to be sure that they are firmly attached to the base of the chimney and are 5)
sealed.
Warning
Failure to maintain the vent system, and boiler in accordance with these maintenance instructions, and those in the
boiler installation and operating manual could cause unreliable operation, severe property damage, personal injury,
or loss of life.
Important
Failure to document the annual boiler and vent system maintenance described above may void the boiler warranty.