Overview Reviews Similar Products Product Description 2" Pump Union Split Nut, Measures 3" Thread Side And 2 3/4" On The Opening. Great Way To Fix A Cracked Pump Union Without Replumbing Your Spa Or Hot Tub Plumbing Location: SMR5B5 Product Videos Custom Field Product Reviews Find Similar Products by Category Recommended Quick view Master Spas 1-1/2" Split Pump Union X804652 $11.95 Add to Cart Quick view Master Spas 2" Pump Union - X275210 $16.85 $13.95 Add to Cart Quick view Master Spas 1-1/2" Spa Pump Union - X275200 $11.95 Add to Cart