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INST 396 Jacuzzi® J-HN Series Heater V12-16 
 
 RISK OF FIRE OR EXPLOSION FROM INCORRECT FUEL USE 
Do not try to operate a pool heater set up for Natural Gas on Propane or the reverse. Only Qualified Gas appliance service 
professionals should attempt to convert the heater from one fuel to another with advice and instructions from the manufacture. 
Alternately, the heater may require conversion at a factory authorized repair depot. Serious malfunction of the burner can occur 
which may result in loss of life. The heater is available for operation on Natural Gas or Propane Gas only – it is not designed to 
operate on any other fuels. Refer to the nameplate for the type of gas the heater is factory equipped for use with, only use fuel gas 
stated on nameplate. 
RISK OF FIRE OR EXPLOSION FROM FLAMMABLE VAPORS 
Do not store Gasoline (petrol), cleaning fluids, paint, varnishes, or other flammable liquids near or in the same room as the heater 
RISK OF EXPLOSION IF HEATER IS INSTALLED NEAR PROPANE STORAGE TANKS 
Propane (LPG) gas is heavier than air which causes the gas to settle (pool) in the lowest point of the room. Without dissipating. Any 
leaking source is highly dangerous. Consult local codes and fire protection authorities about specific installations requirements and 
restrictions. Locate the heater away from propane Gas Storage and filling equipment as specified by the latest editions of the 
Standard for Storage and Handling of Liquefied Petroleum Gases, CAN/CSA B149.2, or the National Fuel Gas Code, ANSI 
Z223.1/NFPA 54. 
RISK OF FIRE, CARBON MONOXIDE POISONING, OR ASPHYXIATION FROM LEAKING 
EXHAUST VENT, OR IF INCORRECTLY VENTED. 
Only qualified service technicians should attempt to service the heater and/or vent system, as leakage of exhaust flue gases or 
flammable gases may result from improper servicing. This heater does not use a draft hood and the exhaust is under positive 
pressure from burner fan blower. The heater is supplied with an integral vent system for outdoor installations. A factory vent 
conversion kit is available for installations in enclosures (Canada) or indoor installations (USA) use only the specified listed vent pipe 
(ducts) and fittings for Category III vents, when the heater is installed in an enclosure or indoors. In Canada, this heater can only be 
installed outdoors, or in an enclosure that is not normally occupied and has no openings directly connected (communicating) to 
occupied areas, See Venting Section of this manual for more details.