Page 155 of Propane and Natural Gas Equipment by National Energy Equipment, Inc.

NATIONAL TOLL FREE DIRECTORY 1-866-574-5100 I ON THE WEB www.nee.ca  Round Ceiling Support/Wall Thimble Covers Wall Thimbles Vinyl Siding Standoff High Wind Vent Top Storm Collar The storm collar is a weather resistant seal between the pipe and the flashing. NEE # Description Inside Diameter Outside Diameter SD-953 For 4 x 6 5/8 Pipe 6 5/8 10 5/8 NEE # Height Inside Diameter Outside Diameter SD-131 8 1/4 4 8 1/2 Firestops NEE # Description Inside Diameter Length Width SD-963 Ceiling Firestop for 4 x 6 5/8 Pipe 6 3/4 11 , 9 11 , 9 SD-947 Wall Firestop 8 1/4 12 1/2 12 1/2 Ceiling Firestops are required for multi-story vertical installations at the second floor and any subsequent floors. Wall Firestops are for horizontal (thru-wall) installations when using 5 x 8 direct vent. Used as a heat shield on structures with vinyl siding or other temperature sensitive materials. Used only on Horizontal Square Terminations. NEE # Description Depth Height Inside Diameter Width SD-950 For 4 x 6 5/8 Pipe 1 7/8 13 1/2 , 17 1/2 6 3/4 13 1/2 , 17 1/2 Flat Flashing for sealing the roof penetration. For flat roofs and chase enclosures. Roof Flashing NEE # Description Height Inside Diameter Length Outside Diameter Width SD-943 Adjustable Flashing For 4 x 6 5/8 Pipe 6 to 4 6 21 11 19 Adjustable Flashing for sealing the roof penetration. For roof pitches of 0/12-6/12. The wall thimble provides for a complete wall pass through and firestop. Wall Thimbles may be required for installation in Canada. Refer to the appliance manufactures installation instructions for requirements. NEE # Description Depth Height Inside Diameter Width SD-942 For 4 x 6 5/8 Pipe 4 12 6 3/4 11 NEE # Description Coating Depth Height Inside Diameter Width SD-940 Cover for 4 x 6 5/8 Pipe Black 2 1/8 13 6 7/8 13 A decorative cover, painted black, for horizontal (through-wall) installations. It may also be used as a decorative Ceiling Support Cover for flat ceiling installations. Optional Designer Series Trim Kits are available. SIMPSON DURA-VENT

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