Monessen Hearth BUF500 Electric Heater User Manual


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12 61D1013
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Consult all local codes. All gas piping must be installed to comply with local codes, or in the absence of local
codes, with the latest edition of the National Fuel Gas Code ANSI Z223.1/NFPA54.
Remove the baseplate for ease of gas line installation. Remove three (3) screws along the front edge of the base-
plate. Remove four (4) screws which secure the baseplate to the combustion casing (two at rear and one along
each side). Replace baseplate prior to connecting gas line to heater. Consult heater installation and operating
instructions for correct installation of the heater into the firebox.
The
1
/2" gas line may enter either from the left side or right side of the firebox. Gas access holes are provided on
both sides of the firebox.
A listed manual shutoff valve must be installed upstream of the appliance. A union tee and plugged
1
/8" NPT
pressure tapping point should be installed upstream of hte appliance.
IMPORTANT:Installmaingasvalve(equipmentshutoffvalve)inanaccessiblelocation.Themaingasvalveis
forturningonorshuttingoffthegastothefireplace.
A sediment trap may be upstream of the heater to prevent moisture and contaminants from passing through trap
to the heater controls and burners. Failure to do so could prevent the heater from operating reliably. Consult
applicable codes.
An external regulator must be used on all propane / L.P.G. heaters, in addition to the regulator fitted to the heater,
to reduce the supply tank pressure to 13" w.c. (maximum). Any copper tubing used to supply propane / L.P.G.
from the tank must be internally tinned.





After completing connection, test all gas joints from the gas meter to the gas heater regulator for leaks. Using
soap and water solution or a gas sniffer. DO NOT USE AN OPEN FLAME.


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      

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 

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