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Concentric Venting - A.O. Smith Cyclone Xi Service Handbook

Commercial gas high efficiency water heaters bth 120 thru 500 models series 100 and 101
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CYCLONE Xi COMMERCIAL GAS WATER HEATER
BTH 120 thru 500 SERVICE HANDBOOK

CONCENTRIC VENTING

Concentric venting allows for a single wall penetration. For multiple water heater installation
using this vent practice the any additional vents of this type may be located 12" on centerline
to either side of the first vent or 12" on centerline vertically above the first vent.
BTH Concentric Vent for 120 through 300.
BTH Concentric Vent for 400 through 500.
A.O. Smith – Technical Training Department
11
Ashland City, Tennessee © 2009
316586-000
Servicing should only be performed by a Qualified Service Agent

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