eBay

Lay Z Spa AirJet Complete Refurbishment Kit – Full Internal Pump & Heater Rebuild

Bring your Lay-Z-Spa AirJet pump back to like-new condition with this complete internal refurbishment kit.
This kit replaces all major internal wear components, including the PTC heater core, heater seals, flow paddle, seals, impeller bushes and more.

Perfect for spas suffering from E02 errors, weak heating, water-flow issues, noisy pumps, or RCD tripping when the heat button is pressed.

✔ Fits ALL Lay-Z-Spa AirJet models
✔ Includes new heater core + 2× red heater seals
✔ Full internal rebuild kit with step-by-step video guide
✔ Fixes E02, weak heat, low flow, pump noise, sensor faults & RCD trips

⭐ What’s Included in the Complete Refurbishment Kit

✔ New PTC Heater Core

Restores proper heating and improves flow through the heater block.

✔ 2 × Red Silicone Heater Seals

High-temperature and chemical-resistant for long-lasting sealing.

✔ Water Flow Paddle & Pin

Replaces worn paddles that cause E02 flow errors.

✔ Water Flow Switch Seal (Silicone)

Ensures accurate flow detection and stops internal leaks.

✔ Impeller Shaft Bushings (Nitrile)

Fixes wobbling impellers, weak flow, vibration and grinding noises.

✔ Main Water Pump Seal (Red Silicone)

High-temperature seal for the main pump chamber.

✔ Water Pump O-Ring

Restores pressure and sealing on the pump body.

✔ Jubilee Clip for Water Pump Hose

Secure reattachment of the external filter pump line.

✔ Full Step-by-Step Video Guide

Shows the entire rebuild process from start to finish.

This kit fully refurbishes your pump internals back to like-new performance.

⭐ What Problems This Kit Fixes

This full refurbishment kit solves multiple common Lay-Z-Spa problems including:

E02 error code
Weak or no heating due to word flow paddle
Slow or inconsistent water flow
Heater core blockage or restriction
Flow switch faults
Pump cutting out after a few seconds
Noisy, rattling or vibrating pump
Water leaks from perished seals
RCD tripping when the HEAT button is pressed
(Often caused by internal heater or pump faults fixed by this kit)

Replacing all internal wear components at once provides the most reliable long-term repair.

⭐ Compatibility

✔ Suitable for all Lay-Z-Spa AirJet pumps
✔ Fits square AirJet models with he reset button on the side on the machine
✔ Compatible with Bestway / Lay-Z-Spa PTC heater block pumps

⭐ Help & Support

LayZRepair provides full online support after purchase.
If you need help diagnosing a fault or fitting this kit, simply message for assistance.