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SIT 820 NOVA mV GAS CONTROL VALVE
The SIT 820 NOVA mV gas control value is part of the drop in assembly provided with the Inglenook gas
log kit. This unit sits in the bottom of the Inglenook fireplace with the SIT 820 extending through the ash
grate opening. The SIT 820 NOVA mV gas control valve, when properly located will be visible through
the opening in the ash pan housing. Remember, the grate and ash pan were removed in previous steps parts.
The SIT 820 control valve is connected to the gas supply cut-off valve. FIGURE 3 shows the valve with an
explanation of its features as follows:
1. The left knob controls the ON/PILOT/OFF functions.
2. The right knob controls the manifold pressure to the burners and is labeled HI/LO.
3. There is an adjust screw for the pilot flame that should only be adjusted by a certified technician.
4. The SIT 820 has an input pressure test point labeled IN.
5. The SIT 820 has an output pressure test point labeled OUT.
To use either of the pressure test points to measure pressure requires test equipment and knowledge
required by a certified service technician. Improperly adjusting the pilot adjust or the manifold pressure can
cause damage to the SIT 820 control valve and should only be accomplished by a certified professional.
For lighting instructions, refer to the section on first fire in this manual or on the units control panel.
ON
OFF
PILOT
H
I
L
O
PILOT
ADJ
IN
OUT
FIGURE 3: SIT 820 mV NOVA GAS VALVE
NOTE: TP stands for thermopile, TH for thermostat, and TP TH for thermopile and thermostat. See FIGURE 28.
INGLENOOK GAS LOG KIT
All the Inglenook fireplace solid fuel parts should now be removed and properly stored. The gas log kit is
unpacked and ready for installation; however, before starting the installation, the installer should answer
two important questions. These two questions are called FACTOR A and FACTOR B and are defined as
follows:
INSTALLATION FACTOR A:
Factor A defines the type of gas log fuel that will be used with a specific installation. The homeowner and
installer must verify that the expected fuel usage and the type of fuel the gas log kit is designed to use are
one in the same. Correct any discrepancy between the gas log kit’s fuel type and the fuel being used.
WARNING: Do not use a Country Flame gas log kit with the wrong fuel. Improper fuel use is dangerous
to facilities and occupants and immediately voids Country Flame’s product warranty. Consult a certified
installer or authorized dealer.
INSTALLATION FACTOR B:
Factor B requires an inventory of the gas log kit to be completed. This inventory will ensure all kit
components are present and not damaged. Contact Country Flame or an authorized dealer to resolve any