PORTABLE
FORCED
AIR HEATER
OWNER’S MANUAL
IMPORTANT: Read and understand this manual before assembling, starting,
or servicing heater. Improper use of heater can cause serious injury. Keep
this manual for future reference.
ARL LOGO
G 004
®
Heater Sizes:
35,000, 50,000, and 55,000 Btu/Hr
H.S.I. Series
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