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Weil-McLain 383-500-350 Supplement Manual page 9

For ultra gas-fired water boiler, concentric vent/air system: through-roof termination

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4
Assembling concentric vent/air kit
Figure 5
Part number 550-141-965/0703
-
GAS
FIRED WATER BOILER
Concentric vent termination assembly DO NOT alter vent components. DO NOT attach
the rain cap until the termination has been inserted through the roof and all supports have
been installed.
Do not cut or alter any concentric vent termination component. And ensure all joints are secure and
completely sealed. Failure to comply could result in severe personal injury, death or substantial property
damage.
— Vent Supplement
(continued)
9

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