Combustion air damper
Hoyme Manufacturing Inc. Special Note: Circuits are colored for
and are not necessarily those found in actual
installations. Combustion Air Damper Wires,
colored as shown.
Forced Air Furnace or Boiler having a
combustion air supply duct.
OPERATION: Combustion Air Damper
is interlocked to the Thermostat/Aqua-stat and the gas valve so that the
damper proves to be open to supply fresh air before the furnace/boiler fires. The damper closes to
when the fire stops.
1222-ld - Printed in
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