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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
Three year manufacture's warranty on spa motor and spa pump wet end
these pumps on these things do make a lot noise (so much i found it's scare's deer from my yard thats eating my apple trees) air trapped inside sand filter makes noise as well this will work it's way out after time
Hi Tom, The reason your pump is getting noisy is because the motor bearings are worn out. This can also be caused if the shaft seal between the motor and the wet end is leaking. The bearings can't be lubricated because they are sealed. The best solution is to have the bearings replaced as well as a complete seal kit for the wet end.
Sounds like the bearings are going out. There should be a series of bolts or screws connecting the motor and seal plate to the rest of the pump. If you separate these you can pull the motor back and get a better look a the impeller. Check and make sure there is no debris clogging the impeller or rubbing inside the diffuser/impeller area. This can also cause noise in the pump. You can try running it for a few seconds while it's open, and if it's still real noisy then it's the bearings. You can either replace the motor, or have it rebuilt. most local pool supply shops can check it and rebuild it for you. if they don't do that kind of work chances are they can refer you to a plce that does.
well there are a couple of things that can cause this to happen. first check your oil and coolent. odd sounding i know but this can cause it. second check and make sure your cluchs are working correctly. next if all that fails then i would check the air intake for blockages and then service the carb. reply if you need more help :)
I'd double check your check valve, located in the discharge pipe, is still working. If the flapper inside has failed the water in that pipe runs back down into the pit and you'll hear 'bubbling' and the air is forced out by the water coming back down...another symptom may be your pump running more often than it used to. If the check valve is of, it sounds like the pump is drawing down closer to the bottom of the pit than before and that is causing you noise...can you adjust the length of the cord that is free to the float? If so, shorten it a little at a time until the noise goes away.
The wear ring on the impeller can cause all these problems. It seems natural to put this on the impeller with the wide side tward the impeller but it goes on with the wide side out so when the pump starts the ring slides forward and seals the pessure side of the impeller from the suction side. With this in wrong your water will just circulate inside the pump rather than going back to the spa. I hope this helps.
a 6.5hp motor produces quite a bit of force. It should be able to support 30 jets just fine. Most spas range from 2hp to 7hp. Depending on your preferences, the 6.5 should be plenty but if you really want a powerful therapy jet, two 7hp pumps should be more than sufficient. They will also kick your electric meter up a few notches... Two pumps give you more options, you don't have to have half of the jets turned off so one area can have more power, the dual pumps give you the option to run nearly all of the jets at the same time if you have more than just a couple people in the spa a once.