Block Heater question
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Basic block heater elements have no regulation to them. Just like a toaster you turn them on and they reach a certain temperature. Factors such as coil wattage, amount of coolant and ambient temperature will determine how warm your coolant will get.
Externally mounted, circulating block heaters may have a regulating system built in.
I have an Espar on my truck. It is a type of circulating block heater, but it uses diesel fuel to make a fireball to heat the coolant. It heats my coolant to 170*F, then cuts out until it reaches 160*F and cuts back in. Excellent system, but I don't recommend something like this unless your in a cold climate, like me. Gets down to -40 over our winters.
Externally mounted, circulating block heaters may have a regulating system built in.
I have an Espar on my truck. It is a type of circulating block heater, but it uses diesel fuel to make a fireball to heat the coolant. It heats my coolant to 170*F, then cuts out until it reaches 160*F and cuts back in. Excellent system, but I don't recommend something like this unless your in a cold climate, like me. Gets down to -40 over our winters.
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