Installing an inflatable heater

The easiest way to remove the Heating Unit is to watch this guide: Remove Heater From Spa
Otherwise, follow the steps below: 
 

Step-by-Step Instructions (Installing the heater)

1. Position the heater unit
   • Carefully place the heater unit back inside the spa liner
   • Ensure it sits correctly in its original position without twisting any pipes or cables

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2. Reconnect the air bubble (blower) connector
   • Locate the air connector underneath the heater
   • Depending on your model:
     • Screw the hand-tight cap back on OR
     • Reattach the blower pipe and secure it with the jubilee clamp

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3. Reconnect the dual inlet pipe (if applicable)
   • For spas with 2 filters:
     • Reattach the dual inlet pipe to the heater
     • Tighten the jubilee clip securely with a screwdriver

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4. Re-thread and reconnect the wired controller
   • Feed the controller cable back through the access hole in the liner
   • Reconnect and screw the controller securely into place

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5. Reinstall the filter inlet and outlet fittings
   • Insert the inlet and outlet fittings back into the spa wall
   • Use the wrench to tighten them securely (do not overtighten)

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6. Reinsert the filter(s)
   • Place the filter(s) back into the housing
   • Ensure they are seated correctly
   • (Some models will have 2 filters)

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7. Inflate the spa (if previously deflated)
   • Fully inflate the spa to the recommended pressure before use

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8. Refill the spa with water
   • Fill to the correct water level as indicated in your manual

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9. Restore power and test
   • Turn the spa back on at the mains
   • Run the system and check for:
     • Leaks
     • Proper water flow
     • Normal operation

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⚠️ Important Tips

• Always ensure all connections are secure but not overtightened
• Check seals and O-rings for damage before reinstalling
• Never run the heater without water in the spa