299-0337: Valve-heater Control

Description: Cat® Heater Control Valve (or hot water valve) opens to allow hot coolant from your engine to flow through the heater core. Air from either inside or outside the vehicle then passes through the hot heater core, which warms the air before it enters the passenger compartment of your vehicle. It is used to control the rate at which coolant flows through the heater core. The valve is located on the heater inlet hose. Applications: Cat® Heater Control Valve are used in air conditioning system of heavy-duty equipment. Consult your owner's manual or contact your local Cat dealer for more information.