Surge Alamo Drain Flapper Seal & exhaust pipe check valve - Item B

$7.95
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SKU:
7750-0020-440
B. Rubber drain Valve for Alamo vacuum tanks and exhaust flapper for alamo pumps.
 
Also prevents alamo pumps from spinning backwards at shut down
 
Item no. 15 in detail image line drawing
 
Mounts on A in picture (See below)
 
about 2 5/8 outside diameter