DuraVent FasNSeal Flex 7" x 125' Stainless Steel Custom Flex Length polished-black Can I put my heaters

Can I put my heaters on automatic timers

Press gasket firmly into cement

BTU 12500 Finish RAL 7036 38/70036 Powder Coat Connector Size 8" Width 34" Overall Height 68" To Center Line Weight 165 lbs

Model Name Fire Drum 3 Fuel Type Natural Gas BTU Input 49000 Finish RAL 8003 38/60003 Powder Coat Connector Size 9" connector to 8” b-vent* Width 32" Overall Height 99" Weight 200 lbs

DuraVent FasNSeal Flex 7" x 125' Stainless Steel Custom Flex Length polished-black Can I put my heatersMade 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