Question about Waterway 5HP Executive 56 Frame Spa Pump PF502N22C

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Waterway Model PF-50-2n22C Spa Pump/Motor: My spa motor started making more noise than usual. There is plenty of flow so I'm thinking the pump is fine. There is a burning smell. I took the covers off and the motor/bearing end is very hot. When I go to high speed, the noise is much worse. It seemed to trip on overload but when I turned off the hot tub and turned it back on, the motor started again. Anyway, are the bearings easily replaceable or do I want to get a new motor/pump.

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  • Waterway Master
  • 6,394 Answers

Bad motor less headache replace whole pump if getting hot soon seals will leak and ruin new bearings

Posted on May 25, 2016


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Posted on Jan 02, 2017

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SOURCE: got a waterway 1.5 hp 1 speed 115/230v, wired 115 need 230

Is there a coverplate where the wires come out of the pump? If so, remove the plate and there should be a wiring diagram inside.
Good Luck

Posted on Mar 18, 2009

  • 59 Answers

SOURCE: witch way does the teflon side of the seal face

the rubber seals around the housing. the teflon goes against the graphite fitting so there is a seal, but it is a mechanical seal.

Posted on May 25, 2009

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SOURCE: Replacement pump for spa (Waterway Executive Euro 2 speed 2 hp

V1 would be low V2 would be high U1 would be line and then ground. A picture would be helpful to be sure.

Posted on Jul 05, 2009

  • 20 Answers

SOURCE: I am Replacing a pump motor and I'm not sure of the connections

high speed phase neutral should go to High speed {phase} neutral low speed {phase} should go to neutral .....Low speed and high speed {phase} need not be connected

Posted on Jul 12, 2009

  • 1378 Answers

SOURCE: I would like to replace the seal between pump and

Pull the pump's front cover, lock the opposite end of the motor shaft, unthread the impeller, loosen the 4 motor thru-bolts then you can pull the seal plate.

Posted on Oct 26, 2009

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What is the flow rate (GPM) of an Executive 56 Waterway pump Model PF-50-2N22F?

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
  • 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



Jun 05, 2015 | Waterway Garden

1 Answer

Can I replace my waterway wet end pump model

its not adviseable to go down in Hp (4 to2 )of a pump motor all your jets are not goiing to proform correctly

Aug 26, 2014 | Pool & Spa

1 Answer

High pitched noise on waterway pool pump is it a seal?

no its the motor bearings need new pump motor

Jul 02, 2014 | Waterway Pool & Spa

1 Answer

Waterway spa pump tripped breaker & now is making noise. Doesn't seem to be moving water like it did.

Get a new motor asap. Get the old one rewired, new bearings, for a spare.

Oct 23, 2013 | Waterway Pool & Spa

1 Answer

I have a New Waterway tiny Might Pump on my spa. It seems to trip its internal overload every

This is an indication of a bad motor. You will need to change the pump.
US Parts Center

Jun 29, 2013 | Waterway Circulation Pump Tiny Might 120v...

1 Answer

Need to change seal on pf-40 waterway pump

can change but water leaking into motor it will start to squeal bad bearing just change whole pump

Dec 26, 2012 | Waterway 5HP Executive 56 Frame Spa Pump...

1 Answer

I have a Waterway Spa Pump Executive 56 Frame 4hp Dual Speed PF-40-2N22C in a Catalina spa that recently developed an issue. The pump will not start in low speed, just makes a humming noise, but it will...

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!!

May 04, 2011 | Waterway Spa Pump Executive 56 Frame 4hp...

1 Answer

I would like to replace the seal between pump and motor on model# pf-30-2n2c waterway spa pump how do you separate them

Pull the pump's front cover, lock the opposite end of the motor shaft, unthread the impeller, loosen the 4 motor thru-bolts then you can pull the seal plate.

Oct 26, 2009 | Pool & Spa

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