DuraVent FasNSeal Flex 9" x 60' Stainless Steel Custom Flex Length h49 This thermostatic wall control offers

This thermostatic wall control offers an upgraded control option for your fireplace

It controls and monitors the flames of the burner electrically and has a switch to easily turn it on or off

Helps to minimize convection losses and reduce the clearance to combustibles above the heater

the Grill Gauge will never leave you guessing

Rustic Gray

DuraVent FasNSeal Flex 9" x 60' Stainless Steel Custom Flex Length h49 This thermostatic wall control offersMade from super ferritic stainless steel. Corrosion resistant. Manufactured with a sure seal locking seam for superior strength and flexibility. The smooth inner wall provides for no output reduction, allowing for full appliance efficiency, ease of cleaning and regular maintenance. The smooth inner wall optimizes gas flow, minimizes back pressure, and facilitates condensate management. Only flexible chimney liner listed to UL 1738 standard. What's