Our dental plans, vision plans, life and supplemental plans, workplace voluntary benefit products, long term disability plans, and short term disability plans may also have waiting periods. For costs and complete details of coverage, call or write Humana or your Humana insurance agent or broker.
5.Bacteria grow in machine coolant. They make it smell bad and they are a health hazard. Filtering removes the sludge that bacteria use to breed as well as removing tramp oils that bacteria eat and filtering keeps oxygen in the water.
What is the Heater Control Valve all about? The heater control valve is one of the many components that are responsible for warming the interior compartment. This valve controls the flow of coolant from the engine to the heater core. Most heater control valves are operated in three basic ways.