A block water heater, also known as a block heater, is a device that is used to preheat the engine coolant of a diesel generator before starting it up. The main purpose of this device is to make it easier to start the generator in cold weather conditions. By preheating the coolant, the block heater allows the diesel engine to reach its optimal operating temperature faster, resulting in a smoother and more efficient start-up process.
The block water heater is typically installed on the side of the diesel generator's engine block, and is connected to the coolant system via hoses. It is powered by electricity, and can be plugged into a standard electrical outlet for operation. Some block heaters also come with a built-in thermostat, which allows the user to set the desired temperature for the coolant.
The use of a block water heater is particularly important for diesel generators that are operated in colder climates, as the cold temperatures can make it difficult for the engine to start and function properly. By preheating the coolant, the block heater can help to reduce wear and tear on the engine, as well as prolong the life of the generator.
In addition to its practical benefits, the use of a block water heater can also help to reduce emissions from the diesel generator. This is because the engine is able to reach its optimal operating temperature faster, which in turn reduces the amount of time that the engine is running in a cold and inefficient state.
Overall, a block water heater is a simple and cost-effective solution for improving the performance and longevity of a diesel generator in colder climates. It is a relatively low-cost device that can pay for itself in the long run by reducing the need for costly repairs and maintenance.