Balboa Hydro Long Nozzle Jet Body [2-3/8" HS, a1-1/2" S, w1-1/2" S] (10-4100S) aquachek A part like this is

A part like this is useful because it helps maintain proper positioning within the assembly

Electrical and pump rating references can be important when selecting the correct impeller assembly in spa pump families

Sized at 8-1/2 inches by 4 inches for intended fit support

The horsepower relationship and pre-2004 fit give this impeller practical value because water-moving parts work best when they match the intended motor

Balboa Hydro Long Nozzle Jet Body [2-3/8" HS, a1-1/2" S, w1-1/2" S] (10-4100S) aquachek A part like this isA long nozzle jet body helps define both the support and the water path of the assembly, and this Balboa Hydro version is designed for compatible 2 3 8 inch hole size applications where the original body has worn enough that the seat no longer feels properly supported. When the deeper parts of a jet wear out, visible trim replacement often stops being enough. The 1 1 2 inch slip relationships help preserve the intended plumbing and shell side fit of