{"product_id":"napoleon-gd401-periscope-snorkel-for-wall-penetration-below-grade-5-8-venting","title":"Napoleon GD401 Periscope Snorkel for Wall Penetration Below Grade 5\"\/8\" Venting","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Napoleon GD401 Periscope Snorkel is designed to provide a practical venting solution for compatible Napoleon direct vent fireplace installations where wall penetration is located below grade. Designed for 5-inch inner and 8-inch outer venting, this periscope-style snorkel helps route the approved venting system upward to a suitable exterior termination point. Its specialized configuration makes it useful for installations where standard horizontal wall termination is not appropriate due to below-grade conditions. The GD401 is a valuable accessory for new fireplace installations, remodeling projects, and approved Napoleon venting applications requiring a 5\"\/8\" snorkel configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for use with select Napoleon direct vent fireplace and venting systems, the GD401 should be matched to the exact appliance and approved venting configuration before installation. Proper wall penetration, clearances, termination height, vent routing, and connections are essential for safe and reliable fireplace operation. Always verify compatibility with the specific fireplace model and follow Napoleon's installation instructions along with applicable building, fire, and safety codes. Professional installation by a qualified technician is recommended to ensure correct positioning and dependable venting performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePeriscope (Snorkel) for Wall Penetration Below Grade\u003c\/li\u003e\n\u003cli\u003eHelps terminate a direct vent piping system\u003c\/li\u003e\n\u003cli\u003eFor use with 5 Inch x 8 Inch Flexible Direct Vent\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: left;\"\u003eAbout The Manufacturer\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/5022\/9802\/files\/napoleon-logo-2015_240x240.png?v=1786561524\" style=\"float: none; display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-(--header-height)\" dir=\"auto\"\u003e\u003c\/section\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" dir=\"auto\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp style=\"text-align: left;\"\u003eFounded in 1976, Napoleon is one of North America's leading manufacturers of premium fireplaces, renowned for combining innovative technology with exceptional craftsmanship. The brand offers an extensive range of gas, electric, and wood-burning fireplaces designed to deliver superior heating performance, stunningly realistic flame effects, and timeless style. From sleek contemporary linear fireplaces to classic traditional designs, Napoleon products feature advanced heat management systems, smart-home compatibility, energy-efficient operation, and customizable finishes to suit virtually any space. Backed by decades of engineering expertise and industry-leading warranties, Napoleon has earned a reputation for quality, reliability, and innovation, making it a trusted choice for homeowners seeking comfort, efficiency, and beautiful fireplace designs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Napoleon","offers":[{"title":"Default Title","offer_id":44812102008874,"sku":"GD401","price":689.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5022\/9802\/files\/Napoleon_GD401_Periscope_Snorkel_for_Wall_Penetration_Below_Grade_5_8_Venting.jpg?v=1788872989","url":"https:\/\/ridgeflame.com\/products\/napoleon-gd401-periscope-snorkel-for-wall-penetration-below-grade-5-8-venting","provider":"Ridge Flame","version":"1.0","type":"link"}