Our waterway 2 hp pump for our pond is making a very loud noise and is not pumping much on the first speed. we constantly have to add water to the filter. or prime it.
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Waterway Executive 56 Spa Pump, 5 HP, 230V
Waterway Executive 56 Frame spa pump wet end
assembled to a 56 frame, 5hp, 2-speed 230V spa motor
This Spa pump has a 2-1/2 inch intake and a 2 inch discharge for plumbing
(but measures 3-1/2 inch and 3 inch- see bottom of this page)Manufacturer Part No. 3722021-13 Other Part No. PF-50-2N22C Features:
Executive spa pump wet end designed specifically for 56-frame spa motors
Two double shielded ball bearings with moisture resistant grease for quieter operation and longer life
Two speed spa motors have four sets of insulated windings for increased efficiency
56 frame spa motor for added strength, cooler operating temperature and longer motor life
Large 2-1/2 inch intake for improved flow performance and reduced noise
Large 6-1/2" diameter wet end for higher head pressure
Split capacitor, (start and run) for less energy consumption
Thermally protected to extend life expectancy of hot tub motor
Highly versatile wet end can be rotated every 90 degrees
Viton seals
Three year manufacture's warranty on spa motor and spa pump wet end
OK 750 watts per HP = 3000 watts or about 30 amps at 115VAC. You will need 40 amp breaker for that pump and No. 8 wire between the breaker and pump if you are using 115VAC. The inrush current on the motor would be high enough to trip a 30 amp breaker. On the other hand, if it is running on 220VAC you may have the motor wired wrong. Read the instructions that came with the motor.
the problem with the sound is the bearings inside the motor are going out. i have the same pump and i have to replace the motor. replacing the bearings is very hard and will cost you about the same after you carry the motor and new bearings to a shop to be pressed in. hope this helps!!
I had that happen when the spa was off for 10 days. I took the pump and wet end out, and managed to turn the shaft to free it. It has rusted up in place.
6 months later it started the loud noise and started getting worse - the motor bearing at the wet end was seizing up. I replaced motor and wet end just in time.
The impeller in my 4 HP, 2-speed Waterway Executive High Performance 56 pool & spa pump has a brass coupling embedded in the back side. This coupling can be unscrewed from the motor shaft by keeping the shaft from rotating while turning the impeller in the reverse direction. Then the seal can be tapped out.
sometimes debris makes it way into the propeller shaft housing making an extremely bad noise pull it apart clean it out and see if the noise stops remember always wash aquarium filters and parts with the water from the tank or pond it came out of or bacterial quality will be disrupted causing the inhabited to suffer
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