A.O. Smith GW/GWO-2500 Boiler User Manual


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A 012.17
DIRECT VENT (HORIZONTAL)
SIDEWALL VENTING NATURAL DRAFT
DIRECT VENT (HORIZONTAL)
DIRECT VENT (VERTICAL)
DIRECT VENT (VERTICAL)
OUTDOOR MODELS
MODEL DIM. "A" DIM. "B"
GWO-1000 66.00 58.67
GWO-1300 76.50 58.67
GWO-1500 83.50 58.67
GWO-1850 97.50 61.37
GWO-2100 104.50 61.37
GWO-2500 118.50 61.37
A
31.59
18.25
B
18.07
17.39
Natural Draft
Max. Distance W/O Sidewall Venting Direct Vent
Combustion Barometric Damper / With Sidewall W/Opt. Extended Vent W/Opt. Extended Vent
Model Vent Size Air Intake Barometric Damper Venting* Kit (Power Assisted) Direct Vent* Kit (Power Assisted)
GW-1000 10' 8' 35’ / To Roof 70' 110' 35’ / 35' 60’ / 60'
GW-1300 12' 10' 35’ / To Roof 70' 110' 35’ / 35' 60’ / 60'
GW-1500 12' 10' 35’ / To Roof 70' 110' 35’ / 35' 60’ / 60'
GW-1850 14' 12' 35' / To Roof 35' 110' 15' / 15' 60' / 60'
GW-2100 14' 12' 35' / To Roof 35' 110' 15' / 15' 60’ / 60'
GW-2500 16' 14' 35' / To Roof 35' 110' 15’ / 15' 60’ / 60'
See installation manual for additional venting information further details.
Notes: * Maximum three elbows
** Maximum two elbows -each- lntake/Exhaust
90/45 degree elbows are equivalent to 10/5 feet of vent pipe respectively.
All venting configurations terminating horizontially are Category III and require AL29-4C venting material.
All venting configurations terminating vertically are Category I and can use type B venting material (Except where local codes require
AL29-4C sealed venting material.)
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