HVAC > HVAC Parts & Accessories > Oil Burners > Replacement Parts > Crown Engineering Corp. > KK100 Koupling King II
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Includes
· Coupler assembled with 1/2" motor shaft end, and a 5/16" fuel unit shaft cap on the other.
· A 7/16" fuel unit shaft end cap is also enclosed.
· Over-all 5" assembled coupler length.