59023400 Filter Complete Element Grid Assembly w/ Air Bleed — Compatible with FNS Plus 48 sq. ft D.E. Filter
Includes manifold top, air bleed, complete grid assembly, and grid locator spider. Direct replacement for FNS Plus pool & spa D.E. systems (48 sq. ft).
🔧 Direct Replacement 🧩 Complete Assembly 📏 48 sq. ft 🏷️ MPN: 59023400 💧 For Pentair FNS Plus
Key Highlights
Effectively restores flow and helps reduce high pump pressure caused by clogged or worn grids.
Cleanable complete element grid assembly—rinse/backwash regularly for optimal performance.
Easy installation with locator spider and manifold top; direct-fit for FNS Plus 48 sq. ft.
Durable build quality for long-term service; replace aging or damaged assemblies with confidence.
Tip: Always confirm your filter model and square footage before ordering. This assembly is for FNS Plus 48 sq. ft D.E. filters only.
What’s Included
- Manifold top
- Air bleed assembly
- Complete element grid set
- Grid Locator Spider
Compatibility / Fitment
- Compatible with: FNS Plus Pool & Spa D.E. Filters — 48 sq. ft configuration.
- Manufacturer reference / Model number: 59023400.
- Brand reference: For Pentair (fitment reference only; not affiliated).
- Not for other capacities (e.g., 36 or 60 sq. ft). 36/60 sq. ft Not Compatible
Specifications
| Condition | 100% Brand New |
|---|---|
| Type | Filter Grid Assembly |
| Model / MPN | 59023400 |
| Material | Plastic |
| Color | Shown as pictures |
| Fitment Type | Direct Replacement |
| Suitable For | For Pentair FNS Plus (48 sq. ft) |
| Package | 1 × 59023400 Filter Complete Element Grid Assembly |
Installation & Care
Quick Install
Shut off pump & relieve pressure → open filter → remove old assembly → seat locator spider & manifold → install new complete grid assembly → ensure air bleed connects properly → close housing & prime.
Routine Cleaning
Rinse grids regularly and backwash per the filter manual. Always recharge with the correct amount of D.E. after cleaning.
Best Practice
Monitor system pressure; if PSI remains high after cleaning, inspect plumbing and pump basket for obstructions.
Follow your filter manufacturer’s manual and local pool safety guidelines.
FAQ
Is D.E. powder required after installing this assembly?
Yes. This is a D.E. filter grid assembly. After cleaning or replacement, recharge the filter with the manufacturer-recommended D.E. amount.
Will this fit non-FNS Plus or other sizes?
No. This listing is for FNS Plus 48 sq. ft only. It will not fit 36 or 60 sq. ft. Please check your filter label before ordering.
Does the kit include the complete grid set?
Yes—manifold top, air bleed, complete grid assembly, and grid locator spider are included as listed.
Is it easy to install?
Most owners with basic pool maintenance experience can install it. If unsure, consult a qualified pool technician.
Shipping & Warranty
- Free Shipping Free
- Handling Time: Ships within 24 hours Fast Dispatch
- Delivery Time: 3–7 business days
- Warranty: 1 year
- Support: 24-hour after-sale assistance
Trademarks like “Pentair” and “FNS Plus” belong to their respective owners and are used here strictly for fitment reference.
59023400 Filter Complete Element Grid Assembly w/ Air Bleed — Compatible with FNS Plus 48 sq. ft D.E. Filter
Includes manifold top, air bleed, complete grid assembly, and grid locator spider. Direct replacement for FNS Plus pool & spa D.E. systems (48 sq. ft).
🔧 Direct Replacement 🧩 Complete Assembly 📏 48 sq. ft 🏷️ MPN: 59023400 💧 For Pentair FNS Plus
Key Highlights
Effectively restores flow and helps reduce high pump pressure caused by clogged or worn grids.
Cleanable complete element grid assembly—rinse/backwash regularly for optimal performance.
Easy installation with locator spider and manifold top; direct-fit for FNS Plus 48 sq. ft.
Durable build quality for long-term service; replace aging or damaged assemblies with confidence.
Tip: Always confirm your filter model and square footage before ordering. This assembly is for FNS Plus 48 sq. ft D.E. filters only.
What’s Included
- Manifold top
- Air bleed assembly
- Complete element grid set
- Grid Locator Spider
Compatibility / Fitment
- Compatible with: FNS Plus Pool & Spa D.E. Filters — 48 sq. ft configuration.
- Manufacturer reference / Model number: 59023400.
- Brand reference: For Pentair (fitment reference only; not affiliated).
- Not for other capacities (e.g., 36 or 60 sq. ft). 36/60 sq. ft Not Compatible
Specifications
| Condition | 100% Brand New |
|---|---|
| Type | Filter Grid Assembly |
| Model / MPN | 59023400 |
| Material | Plastic |
| Color | Shown as pictures |
| Fitment Type | Direct Replacement |
| Suitable For | For Pentair FNS Plus (48 sq. ft) |
| Package | 1 × 59023400 Filter Complete Element Grid Assembly |
Installation & Care
Quick Install
Shut off pump & relieve pressure → open filter → remove old assembly → seat locator spider & manifold → install new complete grid assembly → ensure air bleed connects properly → close housing & prime.
Routine Cleaning
Rinse grids regularly and backwash per the filter manual. Always recharge with the correct amount of D.E. after cleaning.
Best Practice
Monitor system pressure; if PSI remains high after cleaning, inspect plumbing and pump basket for obstructions.
Follow your filter manufacturer’s manual and local pool safety guidelines.
FAQ
Is D.E. powder required after installing this assembly?
Yes. This is a D.E. filter grid assembly. After cleaning or replacement, recharge the filter with the manufacturer-recommended D.E. amount.
Will this fit non-FNS Plus or other sizes?
No. This listing is for FNS Plus 48 sq. ft only. It will not fit 36 or 60 sq. ft. Please check your filter label before ordering.
Does the kit include the complete grid set?
Yes—manifold top, air bleed, complete grid assembly, and grid locator spider are included as listed.
Is it easy to install?
Most owners with basic pool maintenance experience can install it. If unsure, consult a qualified pool technician.
Shipping & Warranty
- Free Shipping Free
- Handling Time: Ships within 24 hours Fast Dispatch
- Delivery Time: 3–7 business days
- Warranty: 1 year
- Support: 24-hour after-sale assistance
Trademarks like “Pentair” and “FNS Plus” belong to their respective owners and are used here strictly for fitment reference.
The Brand
