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T991B1003 Details
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HON PROP IND/OUT CONTROL
SKU: T991B1003
Indoor/Outdoor Controls ( 6 of 7 )
Regular Price: $664.06

Automatic outdoor reset controllers for air or liquid.

Raises heating medium control point automatically as outdoor temperature falls.
One remote element senses heating medium, the other senses outdoor air temperature.
T991 has 135 ohm potentiometer for proportional heating control.

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