Question about Waterway Spa Pump Executive 56 Frame 4hp Dual Speed 2" Intake 2" Discharge

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Waterway wet end 56 frame

Need advice in replacing the seal in my waterway wet end pump

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  • horstkamm Oct 20, 2008

    REMOVE IMPELLER AND SEAL ON Executive 56 4hp pump

  • derekmance May 11, 2010

    Whats up?

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2 Suggested Answers

Ian  Hot Tub
  • 69 Answers

SOURCE: REASSEMBLED WET END OF WATERWAY PF401A22C-LEAKS- NEED DIAGRAM

I've never seen a reassembly diagram for this particular pump but I'm guessing that you've installed the mechanical seal incorrectly.

Where is it leaking from exactly?

Kind Regards,
Ian Kime.

http://hottub.synthasite.com

Posted on May 14, 2010

SOURCE: How do I remove the wet end of the pump from the

Take the screws off the outer cover fo the wet end. That will expose the impeller.
At the other end of the pump is a small metal cap in the middle. Pry that off with a screwdriver. That reveals the shaft of the motor which has a slot in it. This allows you to hold the shaft still with a large screwdriver.
While someone holds the shaft with a big screwdriver, you rotate the impeller counter clockwise to unscrew it off the motor shaft.
In my case the impeller was so caked onto the shaft with rust that we could not loosen it. We broke the impeller and still could not unscrew it. The screwdriver keeps jumping out of the slot in the shaft.
So the next step was to take the shaft out of the motor. On the far end of the motor are 4 small looking bolt heads. Undo those. They go right through the motor into the 4 legs of the wet end.
Stand the motor up with the wet end up. Pull hard to pull the wet end motor cover off the motor and you will then have the wet end and armature of the motor in your hands. Heavy.
Place some wood into a large vice and then grip the big silver part of the armature in the vice. Then unscrew the impeller.

Posted on Jan 27, 2011

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1 Answer

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
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

25730271-yhj4sbpq3vfdkj1l02omouv2-1-0.png

25730271-yhj4sbpq3vfdkj1l02omouv2-1-2.png

Jun 05, 2015 | Waterway Fountains & Ponds

1 Answer

The pump has been louder for a couple of weeks and after I stopped it to clean the spa filter, it won't start. Sounds likes it's seized


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.

Dec 11, 2010 | Waterway Spa Pump Executive 56 Frame 4hp...

1 Answer

How do I remove the wet end of the pump from the motor section. The pump is a Waterway Spa Pump Executive 56 Frame 4hp Dual Speed 2"


Take the screws off the outer cover fo the wet end. That will expose the impeller.
At the other end of the pump is a small metal cap in the middle. Pry that off with a screwdriver. That reveals the shaft of the motor which has a slot in it. This allows you to hold the shaft still with a large screwdriver.
While someone holds the shaft with a big screwdriver, you rotate the impeller counter clockwise to unscrew it off the motor shaft.
In my case the impeller was so caked onto the shaft with rust that we could not loosen it. We broke the impeller and still could not unscrew it. The screwdriver keeps jumping out of the slot in the shaft.
So the next step was to take the shaft out of the motor. On the far end of the motor are 4 small looking bolt heads. Undo those. They go right through the motor into the 4 legs of the wet end.
Stand the motor up with the wet end up. Pull hard to pull the wet end motor cover off the motor and you will then have the wet end and armature of the motor in your hands. Heavy.
Place some wood into a large vice and then grip the big silver part of the armature in the vice. Then unscrew the impeller.

Sep 29, 2010 | Waterway Spa Pump Executive 56 Frame 4hp...

1 Answer

Propeller is stuck, how do I free it up?


remove pump and wet end from spa
remove outer cover of wet end (small screws)
the impeller will be exposed.
remove any obstructions and then free it up by turning it
if it wont turn motor may be seized
replace cover, etc.

Sep 12, 2010 | Waterway Spa Pump Executive 56 Frame 4hp...

1 Answer

I have a Waterly Executive Pump PF-40-2N22C\r\nI


Waterway did change the wet ends slightly (the difference is only minute and you wouldn't realise without meausring) and if yours is the older version you may need to change the entire wet end.

I'd advise you to take the pump to someone who can advise you and perhaps consider changing the entire wet end so that you have a new mechanical seal too.

If you're in the UK I can possibly help but I suspect that you're in the US...
http://hottub.synthasite.com

Regards,
Ian.

Jun 04, 2010 | Waterway Spa Pump Executive 56 Frame 4hp...

1 Answer

Spa Pump Executive 56 Frame 4hp Dual Speed 2" Intake 2" Discharge : My Executive 56 spa pump (1-l/2 years old) is leak...


Thank you for posting your question here on Fixya.com.

There is a seal in there that a local pump repair shop can fix for about $30 - $50 with parts and labor. Waterway pumps use a 1000 seal that is not a seal the homeowner is usually successful at replacing themselves.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!

John

May 18, 2010 | Waterway Spa Pump Executive 56 Frame 4hp...

2 Answers

Leaking #1 pump on Arctic Spas Cub hot tub.


I found out that the pump impeller can be unscrewed from the motor shaft by turning the impeller while keeping the shaft from rotating. There is a brass shaft coupling embedded in the back side of the impeller. This allowed me to remove the leaking seal assembly inside the pump by tapping it out gently. However, instead of just replacing the seal, I decided to replace the entire pump with a newer version. Cost was only about $25 more than replacing the seal and gaskets. The pump-motor assembly has been reinstalled in the spa and there are no more leaks.

Dec 03, 2009 | Waterway Spa Pump Executive 56 Frame 4hp...

1 Answer

My wet end is leaking from the backside.


I have a executive 56 frame 4 hp water way motor - PF-40-2N22C. Wet end was leaking at shaft, had it fixed and now the motor won't rotate at all. shaft is free it just hums. Checked supply voltage and the voltage at the connector. All is ok, what do i do now.

May 21, 2009 | Waterway Spa Pump Executive 56 Frame 4hp...

1 Answer

REASSEMBLED WET END OF WATERWAY PF401A22C-LEAKS- NEED DIAGRAM


I've never seen a reassembly diagram for this particular pump but I'm guessing that you've installed the mechanical seal incorrectly.

Where is it leaking from exactly?

Kind Regards,
Ian Kime.

http://hottub.synthasite.com

Apr 03, 2009 | Waterway Spa Pump Executive 56 Frame 4hp...

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