Install Instructions (Venting)

Part number 550-100-103/1110
GAS-FIRED WATER BOILER — Manual addendum — Venting
A–14
Concentric vent/air termination assembly
3” or 4” PVC concentric termination assembly (see kit Figure 18
manufacturer’s instructions for details)
3” or 4” PVC concentric termination assembly Figure 17
— DO NOT attach the rain cap until the
termination has been inserted through the
roof or wall and all supports have been
installed.