1997 Groen Gas-Fired Jacketed Kettle - 10 Gallon. Model: TDH/40. S/N: 47154. Nat'l Bd: 47154. Stainless steel. MAWP: 50 psi @ 300 °F, MDMT: 32 °F @ 50 psi. The Groen Model TDH 40-quart is a self-contained, steam jacketed unit operating from a gas heated steam. Typical applications: browning meats, sauces, vegetables, seafood, soups, rice, pasta, stews, pie fillings, reheating cook-chill & prepared foods. Stainless steel steam jacket cooks from all sides for faster heat-up and cook times(1) Sight glass. Faucet with hot and cold valves. Overall dimensions: 37 in. L x 30 in. W x 54-½ in. H.(ACN147).