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Monessen Hearth HVFL18 User Manual

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6 
59D1015
PRODUCT FEATURES 
AND
 SPECIFICATIONS
 
Gas Rate 
Model Number 
Control  
Max BTU/Hr 
Min BTU/Hr
HVFL18NM 
MANUAL 
28,000 
18,000
HVFL18NV 
MILLIVOLT 
28,000 
20,000
HVFL24NM 
MANUAL 
36,000 
20,000
HVFL24NV 
MILLIVOLT 
36,000 
24,000  
 
Gas Rate 
Model Number 
Control  
Max BTU/Hr 
Min BTU/Hr
HVFL18PM 
MANUAL 
28,000 
18,000
HVFL18PV 
MILLIVOLT 
28,000 
20,000
HVFL24PM 
MANUAL 
36,000 
24,000
HVFL24PV 
MILLIVOLT 
36,000 
27,000
NATURAL GAS
NOTE: An external regulator is required to reduce supply pressure to a maximum of 10 
1
/
2
" W.C. on 
natural gas systems operating at higher pressure.
 
Manual Pressure  
Milli-Volt
Regulator Pressure: Setting: 4.0" w.c. 
Regulator Pressure Setting: 3.5" w.c.
 
 
Pilot Regulator: 3.5" w.c.
Gas Inlet Pressure: Max. 10
1
/
2
" w.c. 
Gas Inlet Pressure:  10
1
/
2
" w.c.
 
Min. 5" w.c. 
 
Min. 5" w.c..
PROPANE/LPG
Note: An external regulator is required to reduce supply pressure to a maximum of 13" w.c.
Manual Pressure  
Milli-Volt
Regulator Pressure Setting: 10" w.c.  
Regulator Pressure Setting: 10" w.c 
Gas Inlet Pressure:  Max. 13" w.c. 
Gas Inlet Pressure:  Max. 13" w.c.
 
Min. 11" w.c.  
 
Min. 11" w.c..