# TLDR Review: Fluidmaster 400H Fill Valve

*Published: 2025-03-08 | Updated: 2025-03-08 | Source: https://shopsavvy.com/reviews-tldr/fluidmaster-400h-fill-valve*

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## Product: Fluidmaster 400H Fill Valve
**Brand:** Fluidmaster

## Pros
- Installation is reportedly easy and straightforward, taking about 30 minutes for a DIY enthusiast.
- Compatible with Kohler Highline Arc models and works well with previously used Fluidmaster valves.
- Offers adjustable valves for both tank and bowl water levels, enhancing flush performance.
- Users with a history of Fluidmaster products appreciate their innovation and product evolution.
- Some users find it a satisfactory and recommended upgrade, solving previous flushing issues effectively.

## Cons
- The fill valve is considered noisy and slow, contradicting its marketing as high performance.
- Installation instructions are unclear and confusing, particularly for users without plumbing experience.
- Some users experienced significant water spraying issues during testing, needing additional adjustments.
- The quality of materials is perceived as cheaper and flimsier compared to older models.
- Some experienced frustration due to installation difficulties and poor performance, resulting in returns.

## Bottom Line

The Fluidmaster PerforMAX High Performance Fill Valve 400H-002-P10 is praised for its ease of installation and compatibility with various toilet models, making it a convenient option for those familiar with Fluidmaster products. However, the inconsistent performance, noisy operation, and confusing installation instructions could be off-putting for some users, particularly those new to plumbing repairs. Shoppers may wish to consider older Fluidmaster models for quieter operation and potentially better performance.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Installation is reportedly easy and straightforward, taking about 30 minutes for a DIY enthusiast. | The fill valve is considered noisy and slow, contradicting its marketing as high performance. |
| Compatible with Kohler Highline Arc models and works well with previously used Fluidmaster valves. | Installation instructions are unclear and confusing, particularly for users without plumbing experience. |
| Offers adjustable valves for both tank and bowl water levels, enhancing flush performance. | Some users experienced significant water spraying issues during testing, needing additional adjustments. |
| Users with a history of Fluidmaster products appreciate their innovation and product evolution. | The quality of materials is perceived as cheaper and flimsier compared to older models. |
| Some users find it a satisfactory and recommended upgrade, solving previous flushing issues effectively. | Some experienced frustration due to installation difficulties and poor performance, resulting in returns. |

## Current Prices

| Retailer | Price | Availability |
|----------|-------|-------------|
| My Store | $5.65  | Check |
| My Store | $7.50  | Check |
| toolmartinc.com | $10.99  | Check |
| Ideal True Value Home Center | $12.69  | Check |
| The Home Depot | $13.98  | Check |
| After Hours Auto Parts | $14.49  | Check |
| The BuildClub | $14.93  | Check |
| The BuildClub | $14.93  | Check |
| Store Seven | $14.97  | Check |
| Cable Ranch | $14.98  | Check |
| Hardware & Moreee | $14.98  | Check |
| Lowes | $14.98  | Check |
| Max Warehouse | $14.98  | Check |
| Shell Lumber and Hardware | $14.98  | Check |
| SIM Supply | $14.98  | Check |
| SupplyHog | $14.98  | Check |
| SupplyHouse.com | $14.98  | Check |
| SupremeDIY.com | $14.98  | Check |
| Farm Supply True Value | $14.99  | Check |
| R.P. Lumber Company | $14.99  | Check |

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*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*