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Vermont Castings Jefferson Vent Free Gas Heater
WARNING
If you smell gas:
• Shut off gas supply
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from a
neighbor’s phone. Follow gas supplier’s
instructions.
• If you cannot reach your gas supplier, call
the fire department.
OFF
ON
Thermopile
Black
Black
TP/TH
TP
TH
Thermostat
(Optional)
Thermopile
Black
Black
G
TP/TH
TP
TH
On/Off Switch Wiring
Optional Thermostat Wiring
ST124b
ST124c
ODOR DURING OPERATION
Neither natural gas nor propane gas give off an
odor when burned. The nature of a vent free
combustion system, however, is such that odors
may occasionally be produced during heater
operation when impurities exist in the immediate
area. Cleaning solutions, paint, solvents, cigarette
smoke, candles, adhesives, new carpet or textiles,
etc., all can create fumes. These fumes may mix
with combustion air and can create odor. Such
odors will disappear over time, however, the
condition can be alleviated by opening a window or
otherwise providing additional ventilation to the
area.
R Models Only