Use and Care Manual
INSTALLATION INSTRUCTIONS
SEA LEVEL NATURAL/LP GAS CONVERSION KITS:
FOR UNIT HEATER MODELS:
60471
HSU100NGPALP
HSU100NGPAL
HSU125NGPALP
HSU125NGPAL
HSU150NGPALP
HSU150NGPAL
HSU200NGPALP
HSU200NGPAL
HSU250NGPALP
HSU250NGPAL
HSU300NGPALP
HSU300NGPAL
HSU400NGPALP
HSU400NGPAL
HSU100NGPSSP
HSU100NGPSS
HSU125NGPSSP
HSU125NGPSS
HSU150NGPSSP
HSU150NGPSS
HSU200NGPSSP
HSU200NGPSS
HSU250NGPSSP
HSU250NGPSS
HSU300NGPSSP
HSU300NGPSS
HSU400NGPSSP
HSU400NGPSS
MHU100NGPALP
MHU100NGPAL
MHU125NGPALP
MHU125NGPAL
MHU150NGPALP
MHU150NGPAL
MHU200NGPALP
MHU200NGPAL
MHU250NGPALP
MHU250NGPAL
MHU300NGPALP
MHU300NGPAL
MHU400NGPALP
MHU400NGPAL
MHU100NGPSSP
MHU100NGPSS
MHU125NGPSSP
MHU125NGPSS
MHU150NGPSSP
MHU150NGPSS
MHU200NGPSSP
MHU200NGPSS
MHU250NGPSSP
MHU250NGPSS
MHU300NGPSSP
MHU300NGPSS
MHU400NGPSSP
MHU400NGPSS
WARNING:
This conversion kit shall be installed by a qualified service agency in accordance with the
manufacturer’s instructions and all applicable codes and requirements of the authority having
jurisdiction. If the information in these instructions is not followed exactly, a fire, explosion or
production of carbon monoxide may result causing property damage, personal injury or loss
of life. The qualified service agency performing this work assumes responsibility for the proper
conversion of this appliance with this kit.
All field gas piping must be pressure/leak tested prior to operation. Never use an open flame to
test for leaks. Use a soap solution or equivalent for testing.
The gas supply shall be shut off prior to disconnecting the electrical power, before proceeding
with the conversion. Failure to do so could result in a fire or explosion.
PLEASE RETAIN MANUAL FOR FUTURE REFERENCE