Martin Baylis Engineering is now offering a Feed Water Reservoir, it is of Aluminium construction, has a brass knurled filler cap, vent tower and glands for outlet and return pipe work. Due to its construction it is light weight, 300 grams or 10.6 ounces (dry), has a capacity of 450 ml or 0.8 pints. The reservoir is 89 mm or 3.5 inches in diameter and 172 mm or 6.75 inches in length, it is finished in black stove enamel.