Valcourt Blower with Variable Speed Control sealant The adjustable bypass allows for

The adjustable bypass allows for greater fire and oven temperature control by increasing/ decreasing the amount of air into the firebox

The Empire DV648 is an oval to round flue adapter

Elbow Offset Chart (For DuraTech 5"-8")

*Please Note:  Optional Glass Wind Guard and Protective Cover sold separately

Valcourt Blower with Variable Speed Control sealant The adjustable bypass allows forThe blower kit comes with a variable speed control, you can either install the blower in a manual mood, where you control the speed and the on off of the blower, or some Valcourt fireplaces are equipped with a thermo disc, which will permit the bower to turn on when the fireplace reaches operating temperature ( 110 F ) and automatically closes when fireplace cools down ( under 110 F ).