Vollrath 11.5 Qt Double Boiler, Stockpot and Insert, 18/8 NSF Stainless Steel. Here is a beautiful Vollrath 11.5 Qt Double Boiler: Set Includes the 11.5 Quart Stockpot, Perforated Insert, Slotted Flat Lid, matching Vollrath Flat Strainer, and an unmarked stainless Ladle. This pot is from the kitchen of a Sambo’s pancake house in the 1970’s. All 18/8 NSF Stainless Steel, clean and straight, no dents or distress. 11.5 Qt Double Boiler. Your Kitchen is the Center of the Universe. From the beginning we have always kept interesting vintage kitchenware on hand including cookbooks, knives, china, linens, slicers and dicers, pots and pans, coffee and tea pots, tableware, and all kinds of quirky and odd-ball tools to stuff in your gadget drawer! So, have a cuppa and enjoy a little browsing in my Kitchen Corner… We Will Scratch Your Vintage Itch. Listing and template services provided by inkFrog.