Metal-Fab FLX Series 3" x 420" Aluminum Flexible Chimney Liner nextrema-schott-glass the PDS will open and

the PDS will open and if open for 15 seconds

opt for the Intermittent Pilot system with its thermostat remote control that varies flame height for up to 30-percent turndown

Vail Vent Free Premium Fireplace

Fireplace Dimensions 100

Metal-Fab FLX Series 3" x 420" Aluminum Flexible Chimney Liner nextrema-schott-glass the PDS will open andFlexible Aluminum Chimney Liners intended for field installation into new or existing tile lined or unlined masonry chimneys, venting natural active Category I gas fired appliances which burn natural gas or propane. Chimney liners are intended to be installed in accordance with the Standard for Chimneys, Fireplaces, Vents, and Solid Fuel Burning Appliances, NFPA 211; National Fuel Gas Code, NFPA 54 ANSI Z223. 1 or Canada, CAN B149. 1. Flexible