Bundle Includes: Mr. Heater Vent Free Blower Fan Kit for 20K and 30K Units and Mr. Heater Vent Free Blue Flame Natural Gas Heater (No Blower/20,000 BTU/Hr) Compatibility: This unit can only be ...

Your car's heating system relies on a heater core, blower fan, ... Coolant leaks are usually red, green, blue, or purple, depending on the type. Flushing the heater core can resolve minor clogs.

Series III heater blower casings corrode badly, ... • Once fitted, double-check all wiring before reconnecting the battery and switching the fan on.