Posted on Leave a comment

Wet End Rebuild in a Sta-rite Max-E-Glas Jet Pump Used in 1980-1993 Hot Spring Hot Spas

wet end rebuild-

Welcome to Backyardplus! In this video, we show you how to install the shaft seal, impeller, seal plate insert, and diffuser on a Sta-rite Max-e-glas jet pump. Before we get started, let’s go over the tools and parts you will need.

Tools you will need:

  • Pliers
  • Vice grips
  • Flathead screwdriver
  • Small flathead screwdriver
  • ¼” nut driver
  • 9/16” wrench
  • Silicone grease

Parts you will need:

  • 30223 Impeller
  • 30224 Shaft Seal
  • 30221-BYP Diffuser
  • 70071 Seal Plate Insert (copper heat sink)
  • 30222 Diffuser O-ring

Step 1. Loosen the five diffuser screws and remove the diffuser.

Step 1. diffuser removal-

Step 2. Remove the back cover with the ¼” driver.

Step 2. back cover-

Step 3. Loosen the screw on the triangle shaped part and leave it hanging.

Step 3. triangle part-

Step 4. Loosen the screw on the part with the springs with a flathead screwdriver and remove it.

Step 4. Spring part-

Step 5. Hold the shaft in place with Vice grips and remove the impeller from the shaft by turning it counterclockwise.

Step 5. Shaft-
Step 5.1 remove impeller-

Step 6. Remove the four bolts holding the seal plate to the motor with a 9/16” wrench.

Step 6. loosen the bolts-

Step 7. Push the shaft seal out of the seal plate with a flathead screwdriver.

Step 7. Remove the shaft seal 1-
Step 7.1 seal-

Step 8. Grab the copper seal plate insert with pliers and pull it out of the seal plate.

Step 8. heat sink-

Step 9. Cover the bottom edge of the seal plate insert with silicone grease and press it firmly into the seal plate.

Step 9. Install the copper-

Step 10. Install the shaft seal into the seal plate insert with the smooth side facing outward and wipe it down with a paper towel.

Step 10. Install the shaft seal-
Step 10.1 Paper towel-

Step 11. Connect the seal plate to the pump motor with the four bolts.

Step 11. Install the seal plate-
Step 11.1 Tighten the bolts-

Step 12. Install the spring part of the shaft seal over the shaft with the graphite facing inward. The graphite and ceramic should butt up against each other.  

Step 12. Intall the spring-

Step 13. Hold the shaft still with Vice Grips and thread the impeller clockwise on the shaft until the impeller stops.

Step 13. Install the impeller-
Step 13.1. Impeller-

Step 14. Install the diffuser with the five screws.

Step 14. Diffuser-

Step 15. Install the part with the springs with a flathead screwdriver.

Step 15. Install the spring piece-

Step 16. Install the triangle shaped part.

Step 16. Install the traingle piece-

Step 17. Install the back cover.

Step 17. Install the back cover-

Step 18. Cover the diffuser O-ring with silicone grease and install it on the diffuser.

Step 18. silicone grease-
Step 18.1 Install the O ring-

Watch the video here! “Wet End Rebuild in a Starite Max-E-Glas Jet Pump Used in 1980-1993 Hot Spring Hot Tubs“


Recommended products


Questions about your spa? Contact us! We are the top Hot Spring spa parts retailer on the web.

Call us at (805)541-9000

Text us to receive technical support

In addition to “Wet End Rebuild in a Starite Max-E-Glas Jet Pump Used in 1980-1993 Hot Spring Hot Tubs” we offer:

  • Our Parts Finder which allows you to find exact-match replacements for your hot tub
  • Free technical support that will allow you to maintain and repair your own spa accordingly
  • Information regarding your products and their usage through our blog posts.
  • Tutorials and assistance through our videos
  • Follow us on our Facebook page

Our goal here at Backyard Plus is to help save you money by avoiding costly service calls for repairs that you can easily do yourself!

Leave a Reply

Your email address will not be published. Required fields are marked *