If your Mansfield toilet is running, filling slowly, or making hissing noises, chances are the fill valve is worn out. The fill valve is one of the most important parts of the toilet—it controls how the tank refills after every flush. Choosing the best fill valve for a Mansfield toilet ensures proper water levels, quiet performance, and long-term reliability. In this guide, we’ll cover the top replacement valves for Mansfield toilets, including OEM parts and universal alternatives that fit most models. We’ll also share a buyer’s guide, comparison table, and answers to common questions.
Quick Picks
- Best Overall: Mansfield 630-0207 Fill Valve – Genuine OEM replacement designed for Mansfield toilets.
- Best Budget: Fluidmaster 400A Universal Fill Valve – Affordable, widely compatible, easy to install.
- Best Premium: Korky 528MP QuietFill Platinum Fill Valve – Quiet, adjustable, designed for high performance.
Buyer’s Guide: Choosing a Mansfield Toilet Fill Valve
Before buying, consider these factors:
- OEM vs Universal: OEM parts like the Mansfield 630-0207 ensure a perfect fit, while universal options (Fluidmaster, Korky) are cheaper and widely available.
- Height adjustability: Look for valves that can be adjusted between 7″–14″ to fit different Mansfield tank sizes.
- Noise level: Modern “quiet-fill” designs greatly reduce refill noise compared to older valves.
- Durability: Brass fittings and high-quality plastics last longer than budget-only parts.
- Ease of installation: Most modern valves can be replaced in under 30 minutes with basic tools.
Detailed Product Reviews
Mansfield 630-0207 Fill Valve
Best Overall
The Mansfield 630-0207 is the genuine OEM replacement fill valve for most Mansfield toilets. Designed specifically for Mansfield tanks, it provides an exact fit and reliable operation.
- OEM replacement part
- Pre-set to match Mansfield flush performance
- Durable construction for long service life
Pros: Perfect fit, OEM quality, reliable
Cons: More expensive than universal valves
Verdict: The best option if you want an exact Mansfield replacement. See it on Amazon.
Fluidmaster 400A Universal Fill Valve
Best Budget
The Fluidmaster 400A is the most widely used fill valve in the U.S. It’s a universal design that fits Mansfield toilets and many other brands.
- Adjustable height: 8″–14″
- Trusted design used in millions of toilets
- Simple, tool-free installation
Pros: Affordable, reliable, fits Mansfield toilets
Cons: Louder than premium “quiet-fill” designs
Verdict: Best budget-friendly option for Mansfield owners. Check price here.
Korky 528MP QuietFill Platinum Fill Valve
Best Premium
The Korky 528MP QuietFill valve is designed for quiet operation and water efficiency. It’s adjustable and compatible with Mansfield toilets.
- Adjustable height: 7.75″–13.5″
- Made in the USA with high-quality materials
- QuietFill technology reduces refill noise
Pros: Very quiet, durable, adjustable
Cons: Higher cost than standard valves
Verdict: Best premium option for Mansfield toilet owners. View today’s price.
Comparison Table
| Product | Best For | Adjustable Height | Noise Level | Price Link |
|---|---|---|---|---|
| Mansfield 630-0207 | OEM Replacement | Fixed to Mansfield design | Standard | View Price |
| Fluidmaster 400A | Best Budget | 8″–14″ | Moderate | View Price |
| Korky 528MP | Best Premium | 7.75″–13.5″ | QuietFill, very quiet | View Price |
FAQ
Do Mansfield toilets require OEM fill valves?
No, but OEM parts like the 630-0207 provide the best fit. Universal valves such as Fluidmaster and Korky also work well.
How long does a Mansfield fill valve last?
On average, 5–7 years depending on water quality and usage.
Can I replace a Mansfield fill valve myself?
Yes. Replacement typically takes less than 30 minutes with a wrench and sponge to remove residual tank water.
What’s the quietest option?
The Korky 528MP QuietFill valve is specifically designed for noise reduction, making it quieter than most OEM and universal valves.
How do I know which fill valve fits my Mansfield toilet?
Check the model number inside your tank lid or on the tank wall. OEM valves list compatible models, and universal valves adjust to fit most Mansfield toilets.
Conclusion & Call-to-Action
Choosing the best fill valve for your Mansfield toilet will restore quiet, reliable performance and save water. If you want an exact OEM replacement, go with the Mansfield 630-0207. For a budget-friendly universal option, the Fluidmaster 400A is a proven choice. And if you prefer a premium, ultra-quiet solution, the Korky 528MP QuietFill is the top pick.
Order your Mansfield fill valve today and enjoy a quiet, efficient toilet once again.