Biltbest Imperial L Hand casement operator kit

Used only for 1960's and 1970's Biltbest casements (233DC stamped on the underside of the metal operator housing) The 2 original operator housings are pictured, which are no longer available - click the photo below to view the new replacement operator kit Will not work for awning type windows **Order the new kit based on the visible glass width only** L Hand will have the window teardrop lock handles on the left side from the interior looking out The kit includes a detailed 9 step pictorial instruction sheet 30 -40 minute average installation time