Dickinson 1-Turn Water Coil - Newport-Alaska (06-000)A hot water coil can be added to also enjoy water heating from your Dickinson diesel heater or stove. You can either order your heater stove with one already installed in the stove or you can install the coil later yourself. Hot water coils are made of 5 8 OD stainless steel tubing and are available in a 1 turn coil for all model stoves to heat approx. 5 10 gallons of water. Hot water coils are also available in 2 turn coils all models except the