U.S. Seal Shaft Seal [PS-1905] [5/8" Shaft] [Silicon Carbide] electrical The M7 design also matters

The M7 design also matters because it aligns the heater with a system style many Balboa-equipped spas were originally built to use

Helps eliminate uneven jet performance

O-rings are widely used because they offer a compact

the impeller is one of the most important parts in the rebuild

U.S. Seal Shaft Seal [PS-1905] [5/8" Shaft] [Silicon Carbide] electrical The M7 design also mattersThe U. S. Seal PS 1905 shaft seal is built for compatible 5 8 inch shaft applications and uses silicon carbide sealing surfaces for customers who want a more serious repair part instead of a minimal replacement. In many pumps, the shaft seal is the line between normal operation and the kind of leakage that eventually compromises bearings, motors, and surrounding hardware. This seal is especially useful when the original has worn out under demanding