Model G3B Gas burner — Instruction manual
MNG3B Gas 041015
3
G3B Gas Burner At-a-Glance
1 Air tube, with powder coat paint finish
2 Flameholder
3 Hot surface ignitor
4 Adjustable flange
5 Rear ignitor assembly with terminal boots
6 Ignition tube assembly mounting plate
7 Pedestal legs
8 Burner gas inlet connection (see page 8)
9 Combination gas valve (with integral gas pressure regulation —
set for 3½” w.c. outlet pressure)
10 Control panel
11 Terminal strip
12 Primary control (Honeywell Model S89C primary control, for use with
flame rectification)
13 Control transformer, 120
vac
/ 24
vac
, 40
va
14 Gas valve on indicator light
15 Motor relay
16 High-efficiency motor
17 Blower housing (cast aluminum), with powder coat paint finish
18 Air inlet tube assembly
19 Air throttle indicator — Only a single adjustment required for setting
combustion air; see page 8 for starting setting based on appliance
model and input)