Autodoser Manifold Replacement Guide

Please follow the steps below carefully. If at any point you feel unsure, we recommend contacting a qualified technician.

⚠️ Before You Begin

• Turn off power to the Plunge, at the power source.
  
   
• Shut off water flow to the system.
  
   
• Place a towel or small container underneath to catch any remaining water.
  
  
   

Step 1: Remove the Injectors (Label A on Diagram)Injectors

• Locate the injectors labeled A.
  
   
• Unscrew each injector by turning counterclockwise.
  
   
• Set them aside in a safe place.
  
   
• Inspect the small O-rings and ensure they are clean and undamaged.
  
   

Step 2: Remove the Existing Manifold (Labels B & C on Diagram)

• Locate the two union nuts labeled B and C.
  
   
• Turn both union nuts counterclockwise to loosen.
  
   

If Your Unit Has a Hair Catcher:

• Remove the union nut located directly in front of the hair catcher.
  
   

If Your Unit Does Not Have a Hair Catcher:

• Remove the two visible union nuts securing the manifold.
  
   
• Once loosened, carefully slide the manifold out of position.
  
   

Step 3: Install the New Manifold

• Position the new manifold in place.
  
   
• Reattach the union nuts (B & C) by turning clockwise.
  
   
• Hand-tighten until snug.
  
  ⚠️ Do not use tools or overtighten.
  
   

Step 4: Reinstall the Injectors (Label A on Diagram)

• Thread the injectors back into the new manifold.
  
   
• Turn clockwise until snug.
  
   
• Hand-tighten only.
  
   

Step 5: Reinstall the Probe (Label D on Diagram)Setup

• Insert the probe into the designated port labeled D.
  
   
• Hand-tighten gently.
  
   
• ⚠️ Do not over tighten, as this may damage the fitting.
  
   

Final Steps

• Slowly restore water flow.
  
   
• Check all connection points for leaks.
  
   
• Restore power to the controller.
  
   
• Confirm the system is operating normally.