THIS VALVE ALLOWS COMPLETE CONTROL OF COOLANT FLOW TO REGULATE HEATER TEMPERATURE AND COMPLETELY BYPASS THE FLOW OF COOLANT THROUGH THE HEATER CORE. THIS MAXIMIZES A/C SYSTEM PERFORMANCE. THE NON CORROSIVE VALVE IS AN EASY INSTALL AND FITS ALL APPLICATIONS WITH EITHER A 5/8" OR 3/4" HEATER HOSE.
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