EXTENSION RODS
SOLID COPPER OR ALUMINUM RODS, THREADED AT BOTH ENDS, FOR USE WHERE AIR
TERMINALS OR RISER RODS HAVE TO BE MADE LONGER.
 
COPPER
ALUMINUM
NO. 52ER: 
NO. 573ER: 
NO. 663ER: 
NO. 664ER: 
NO. 55ER: 
NO. 572ER: 
NO. 660ER: 
NO. 661ER: 
NO. 665ER: 
NO. 571ER: 
NO. 667ER: 
NO. 668ER:		 3/8" X 12" 
3/8" X 24" 
3/8" X 36" 
3/8" X 48" 
1/2" X 12" 
1/2" X 24" 
1/2" X 36" 
1/2" X 48" 
5/8" X 12" 
5/8" X 24" 
5/8" X 36" 
5/8 X 48"		 NO. A55ER:  
NO. A572ER:  
NO. A660ER: 
NO. A661ER: 
NO. A665ER: 
NO. A666ER: 
NO. A571ER: 
NO. A667ER: 
NO. A668ER:		 1/2" X 12" 
1/2" X 24" 
1/2" X 36" 
1/2" X 48" 
5/8" X 12" 
5/8" X 18" 
5/8" X 24" 
5/8" X 36" 
5/8 X 48"
 
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