Assembly Of U.s. Boiler 80/125Mm Concentric Venting - Burnham FREEDOM Installation, Operating And Service Instructions

(IMPORTANT - See Section C for 60/100mm Concentric Vent Assembly)
Failure to follow the instructions could result in flue gas leakage into the combustion air or indoor
air, resulting in unsafe or unreliable operation
• Do not lubricate concentric gaskets with anything other than water.
• Do not attempt to cut any piping except as permitted in this section. When cutting these
sections, make sure all cuts are square and allow for proper insertion.
• Do not attempt to try to mix this concentric pipe with other venting systems.
1) The 60/100mm terminal section and concentric reducing elbow supplied with the boiler are not used in 80/125mm vent
systems. The components listed in Table 7.4b are required for 80/125mm installations are not supplied with the boiler.
Before starting assembly of an 80/125mm vent system, make sure that the planned installation is in accordance with
the "Vent System Design" section of this manual and that all required 80/125mm vent components are on hand. These
components are available through U.S. Boiler distributors.
2) Cutting Straight Pipe - The following straight pipe sections may be cut:
Part No.
101163-01
101162-01
These sections have a plain male end (without beads - see Figure 7.30a). They are always cut from the male end.
Sections not shown on the above list may not be cut. These sections have beads on the male end (Figure 7.30b).
D. Assembly of U.S. Boiler 80/125mm Concentric Venting
Description
19-1/2" Straight
39" Straight
Figure 7.30a: Cuttable straight section
Figure 7.30b: non-Cuttable straight section
Warning
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