Monessen Hearth VWF18, Installation And Operating Instructions Manual, Page: 4 / 32

4
27D8520
The manifold pressure for propane is 10" WC.
The manifold pressure for natural is 4"WC.
The minimum inlet gas supply pressure is 4" WC for natural and 10" WC for LP.
The maximum inlet gas supply pressure for this log set is 10" WC for natural and 13" WC for LP.
Nominal Rates (BTU/Hr)
VWF18N/P 60,000 VWF24N 70,000 VWF30N 80,000 VWF36N 80,000
VWF24P 60,000 VWF30P 60,000 VWF36P 60,000
Note: Actual performance, fl ame height, BTU/Hr will vary with specifi c installation, gas pressure,
shutoff valve position (fully open), valve type, and fi rebox draft conditions.
Figure 1 - Minimum Hearth Dimensions
MINIMUM HEARTH DIMENSIONS
PRODUCT SPECIFICATIONS
www.nfi certifi ed.org
We suggest that our gas hearth
products be installed and
serviced by professionals who
are certifi ed in the U.S. by the
National Fireplace Institute
®
(NFI) as Gas Specialists.
SAFETY INFORMATION
Never connect unit to private
(non-utility) gas wells. This
gas is commonly known as
wellhead gas.
W
ARNING
MANUAL CONTROL
Model
A B C Model A B C Model A B C Model A B C Model A B C
VWF18 VWF18 21" 13" 24" 21" 13" 24" 21" 13" 24" 21" 13" 24"
VWF24 27" 13" 30" 27" 13" 30" 27" 13" 30" 27" 13" 30"
VWF30 33" 13" 36" 33" 13" 36" 33" 13" 36" 33" 13" 36"
VWF36 39" 13" 42" 39" 13" 42" 39" 13" 42" 39" 13" 42"
MILLI-VOLT & HI/LO CONTROL
Model
A B C Model A B C Model A B C Model A B C Model A B C
VWF18 VWF18 25" 13 25" 13 25" 13
1
/
2
" 28" " 28"
VWF24 31" 13 31" 13 31" 13
1
/
2
" 34" " 34"
VWF30 37" 13 37" 13 37" 13
1
/
2
" 40" " 40"
VWF36 43" 13 43" 13 43" 13
1
/
2
" 46" " 46"