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The Williams Comfort Products 6801 is a genuine OEM replacement part designed as a GRL RR outlet. This product enables heating of a rear adjacent room, provided the finished wall is within ten inches of the furnace. It is equipped with a ten-inch boot and a damper to help control airflow effectively to the second area.
The GRL RR outlet enhances heating efficiency for accessible rear mounted systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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