Honeywell millivolt gas valve figure 4, Sit millivolt gas valve, Figure 3 – Superior DIRECT-VENT GAS FIREPLACES SDV35 User Manual
Page 9: Variable flame height adjustment
9
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Honeywell Millivolt Gas Valve
Figure 4
O
N
OFF
P
I
L
OT
L
O
H
I
O
F
F
O
N
O
F
F
O
N
Blower ON/OFF Rocker
Switch
SIT Millivolt Gas Valve
Gas
Outlet
Gas
Inlet
Pilot Adjustment
Screw
Terminals
TPTH,TP & TH
Figure 3
HI
L O W
HT
PT
HT
PT
PILO
T
PIL
OT
ON
ti
OFF
IN
OUT
O
FF
O
N
O
FF
O
N
HI/LO Variable
Flame Height
Adjustment
Manifold Pressure Tap
Inlet Pressure Tap
Piezo Igniter
Main Gas
Control Knob
OFF/PILOT/ON
Piezo Igniter
Optional Burner ON/OFF
Rocker Switch
Piezo Igniter
Blower ON/OFF Rocker
Switch
Optional Burner ON/OFF
Rocker Switch
HI/LO Variable
Flame Height
Adjustment
Main Gas
Control Knob
OFF/PILOT/ON
Manifold Pressure
Tap
Piezo Igniter
Inlet Pressure Tap
Gas
Outlet
Gas
Inlet
Variable Flame Height Adjustment
All Millivolt appliances are equipped with a
variable gas control valve. Flame height for
these models may be adjusted through a range
between fixed low and high settings while the
appliance is in operation. Adjust the flame
height as desired after lighting the appliance by
rotating the variable adjustment control knob
(HI/LO) located on the front of the valve (refer
to Figure 3 or 4).