HotSpring C30 Spa Filter Replacement – HS30 Cartridge

Compatible with Sovereign, Aria, Envoy, Grandee, Jetsetter, Vanguard & More

Keep your spa water crystal clear with this premium HS30 replacement spa filter, designed to replace the HotSpring C30 filter cartridge (OEM part 31489).

This high-performance cartridge filter is compatible with many HotSpring spa models including the Sovereign, Aria, Envoy, Grandee and Jetsetter, delivering reliable filtration and protecting your spa pump, heater and circulation system.

The HS30 filter is a direct replacement for the HotSpring C30 filter and is compatible with spas that use the C30 or Tri-X filtration system, making it one of the most common spa filters used in HotSpring spas worldwide.

If you’re looking for a HotSpring Sovereign filter replacement or a C30 spa filter, this HS30 cartridge provides an affordable and reliable solution.

Product Specifications

Model: HS30
Replaces: HotSpring C30 / 31489 / C-6430

Dimensions

Diameter: 150mm
Length: 260mm
Top Endcap: 50mm open hole
Bottom Endcap: 50mm open hole

Compatible HotSpring Spa Models

This HS30 spa filter cartridge is compatible with many HotSpring and Watkins manufactured spas, including:

Highlife Series

• Sovereign (most models including pre-2019)
• Aria
• Envoy
• Grandee
• Jetsetter
• Vanguard
• Vista
• Triumph

Additional HotSpring Models

• Prodigy
• Landmark
• Classic F
• Classic I

Solana Series

• Solana TX
• Solana SX
• Solana RX
• Solana SXi
• Solana TXi

Other compatible models

• Samoa
• Square
• Stride
• Triangle

These models use the HotSpring C30 filter housing, which accepts both:

• Standard C30 paper filters (HS30)
• Tri-X ceramic filters

Why Replace Your HotSpring Spa Filter?

Replacing your spa filter regularly helps:

✔ Maintain clean, clear spa water
✔ Improve water circulation and filtration efficiency
✔ Protect your spa pump and heater from debris
✔ Reduce strain on your spa equipment
✔ Extend the life of your spa components

For best results, rinse your filter every 2–4 weeks and replace every 12–18 months depending on spa usage.

Why Buy From Perfect Pools

✔ New Zealand spa and pool specialists
✔ High quality aftermarket replacement filters
✔ Fast shipping across New Zealand
✔ Trusted supplier of spa parts and accessories

Need Help Finding the Right Spa Filter?

If you’re unsure whether this HS30 / C30 filter is the correct replacement for your spa, simply send us:

• Your spa model, or
• A photo of your current filter

and we’ll help confirm compatibility.

Contact: perfectpoolsnz@gmail.com