Water can take longer to heat up, especially during winter. If your water heating requirements are low or you don’t need the water to stay hot for extended periods of time, then the immersion water heater is an excellent option. You can get hot water in a matter of minutes whenever you want with the Rico immersion rod. With Rico immersion rod, you get multiple options when it comes to wattage. The higher the wattage, the faster the heating will be. This water heater from Rico gives you two options when it comes to wattage, 1000 watts and 1500 watts.