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6-17-1997 1 39Pn1 FROM JUDO / BLACK HSVL 3606537256 p.2 <br />•.•.-.. ..nn.. �v'�rcn 1N6b SYtl7 LY <br />P. er <br />Jenn-Air .' leinoran umr Jenn-Air District Office <br />Mark R. Collier -District Mgr. <br />24026142nd Ave SE <br />%g Kent, WA 98042 <br />206-636-8530 - office <br />206-639-8529 - fax <br />To: <br />Bob Long <br />Add & Black - Afarydle <br />From: <br />Mork Collier <br />Dare: <br />6,1711997 <br />Subject <br />Ducting INYwr approval <br />The attached fax regarding the dud installation on a Jenn-&r slide -in range appears to toset all <br />duct run requirements for proper installation The maximum duct run allowed to maiulai.ri proper <br />ventalation is (i0 equivalent feet The attached drawing would require a run of 32 equivalent feet <br />This ducting layout will allow the Jenn-air range to function properly, according to Jetm-Air <br />manufacturer specifications. Please note the following to as -suit that recomnxndations you give <br />in the future will perform as well as the attached layout <br />I) All Jenn•Air ranges and cooktops can be run up to an "equivalant" 60 feet. <br />"Equivalam" means that the duct run is measured in total length Ims the <br />following "drju;,;; depm4ing on what is required in each installation <br />- each 6" 90 degree citiuw - deduct 5 fl <br />- each 5" - 6" transition - deduct 1 ft <br />2.) Use of metal flex ducting is not recommended If used, equivalent max <br />duc! run is reduced to 30 ft. <br />3) When duct run is over 30 equivalent feet, remove airflow restricter rill <br />from around blower housing This will enhance the blowers capability of <br />pulling through a longer duct run <br />Please feel free to call me regarding any questions you may have. <br />Thank you for ycn., continued support of Jenn-Air products! <br />Sincerely. <br />