A. Heat conduction is significantly minimized since the barrel and other components only have a tiny area of contact.
B. There is a longer gap between the barrel and the engine. Additionally, the electrical box is self-contained. Minimize the damage that excessive heat does to electrical equipment and motors.
C. A quick-release and quick-change design is created to make it easier for clients to replace shaft seals since high temperatures hasten the loss of shaft seals.
When a heater is unnecessary:
When a heater is necessary: