Waterway 1.0 HP E-Series Center Discharge Pump Wet End [1.5" Intake] (310-1130) harwil The two-jet design also means

The two-jet design also means button identification matters more than on simpler systems

and this Intermatic PB873 version is an SPST 115 volt model using the PB873MKZ reference

Designed for compatible mixed-voltage spa control applications

Built for compatible large Emerald Cut applications

Matching the correct voltage flexibility and amp rating helps preserve original system behavior

Waterway 1.0 HP E-Series Center Discharge Pump Wet End [1.5" Intake] (310-1130) harwil The two-jet design also meansThe Waterway 310 1130 wet end is designed for compatible 1. 0 HP E Series center discharge pump applications with a 1. 5 inch intake. A part like this is useful because it restores the full hydraulic side of the pump in a matched package, which can simplify service when the wet end needs broader renewal. Replacing the complete wet end can be a practical option when several related housing and internal parts are worn at once. This Waterway assembly is