The Jacket Water Heater Lines Straight Adapter enables a secure connection between straight-thread O-ring ports and hose bead ends in the coolant unit. It helps route heated coolant from the engine to jacket water heaters, which are used to pre-warm the engine for cold starts and maintain temperature during idle. Reducing engine wear by improving startup conditions. Its thread-to-bead conversion ensures leak-free performance and easy hose connection. Attributes:• Allows for straightforward hose attachment and removal.• Supports leak-resistant connections in pressurized coolant lines.• Ensures proper alignment between mating parts.Applications: The Jacket Water Heater Lines Straight Adapter is installed in the engine's coolant plumbing. It enables reliable coolant flow to jacket water heaters, supporting effective pre-heating and temperature maintenance in cold and idle conditions.