Weil-McLain GV90+ Installation And Start-Up Manual page 105

GV90+ Series 2
OAS·FIRED WATER BOILER -
Boiler Manual
Dimensions and ratings
(cootinuedJ
Figure 111 Engineering data - see page 103 tor additional technical information
Water flow rate por botlor
v.nt/olr pipe ....
-
Boll or
Provkte • Mf)8rate vent
Model
for NChbotlor
GPM 0 20"F rise GPM 0 40"F rise
-·
QV90+3 6.5 3.3 3"
OV90+4
9.7 4.9 3"
QV90+5
13.0 6.5 3"
OV90+8
16.1 8.1
3"
-·
AU CV90+ lnstallatfons
require a seJ:ate
\'mt
pipe and termination
fol'
each
boiler.
Vent piping cannot t.. menifoldltCI.
Install and terminate vents as descr.
ed In
vent/air installation instructions in th.is manual.
Combustion air piping can be individually piped or manifolded. See Figure 37,
page
31, for manifolded air piping.
Part number 550-14-2-783/1012
105