Patent ID: 8163098

Claim:
A method of performing a boil-out cleaning process in connection with a fryer including a vat, a vessel for receiving oil drained from the vat, an oil drain path leading from an outlet opening of the vat to the pan, and an oil return path from the vessel back to the vat, the oil return path including a pump, a drain valve located along the oil drain path, the method comprising the steps of: opening the drain valve to drain oil from the vat into the vessel; closing the drain valve after draining the oil from the vat; delivering a boil-out cleaning fluid to the vat and heating the boil-out cleaning fluid; providing a boil-out drain path with an inlet positioned for receiving boil-out fluid from the drain valve and an outlet positioned forward of a front of the fryer unit; placing a container below the outlet of the boil-out drain path; opening the drain valve so that boil-out fluid is delivered from the vat to the container without passing through the pump; closing the drain valve; and operating the pump to deliver oil from the vessel back to the vat, wherein the boil-out drain path comprises a removable boil-out drain pipe that extends into a laterally extending manifold that forms part of the oil drain path, the boil-out drain pipe is removed while oil is drained from the vat to the vessel, the boil-out drain pipe is attached during delivery of boil-out fluid to the container.