Weil-McLain GV90+ - Engineering data - see page 103 for additional technical information

Part number 550-142-903/1016
105
&IGUREEngineering data — see page 103 for additional technical information
"OILER
-ODEL
7ATERmOWRATEPERBOILER
6ENTAIRPIPESIZE
0ROVIDEASEPARATEVENT
FOREACHBOILER
Note 1
GPM @ 20°F rise GPM @ 40°F rise
GV90+3
6.5 3.3 3”
GV90+4
9.7 4.9 3”
GV90+5
13.0 6.5 3”
GV90+6
16.1 8.1 3”
Note 1
All GV90+ installations require a separate vent pipe and termination for each boiler. 6ENTPIPINGCANNOTBEMANIFOLDED.
Install and terminate vents as described in vent/air installation instructions in this manual.
Combustion air piping can be individually piped or manifolded. See Figure 37, page 31, for manifolded air piping.
GV90+ Series 2 GAS-FIRED WATER BOILER — Boiler Manual
Dimensions and ratings (continued)