If your Glacier Bay toilet isn’t refilling properly or the fill valve has stopped working, you’re not alone. Many homeowners eventually face this issue, and the solution is usually simple: replacing the fill valve. The most trusted brand for replacements is Fluidmaster, which makes universal valves that work perfectly with Glacier Bay toilets.
In this guide, we’ll explain why Fluidmaster is the right choice, how to pick the best model for your Glacier Bay toilet, and review the top Fluidmaster fill valves available today.
Quick Picks: Best Fluidmaster Fill Valves for Glacier Bay
- Best Overall: Fluidmaster 400AH PerforMAX High-Performance Fill Valve – Universal fit, quiet, and water-saving.
- Best Budget: Fluidmaster 400A Universal Fill Valve – Affordable and reliable for most Glacier Bay toilets.
- Best Premium: Fluidmaster 400CRP14 Fill Valve & Flapper Kit – Complete repair kit for long-term reliability.
Why Choose Fluidmaster for Glacier Bay Toilets?
Glacier Bay is a Home Depot brand, and while their toilets are cost-effective, replacement parts are sometimes harder to find. Fluidmaster solves this problem with universal valves that:
- Work with nearly all Glacier Bay models
- Are adjustable for different tank sizes
- Refill quickly and quietly
- Save water with advanced flow control
- Are DIY-friendly and take only 15–30 minutes to install
Detailed Product Reviews
1. Fluidmaster 400AH PerforMAX High-Performance Fill Valve
Who it’s for: Glacier Bay owners who want the best universal replacement with premium performance.
- Key Benefits: Adjustable height, quiet refill, water-saving design.
- Pros: Fits nearly all Glacier Bay toilets, reduces utility costs, long-lasting.
- Cons: Slightly more expensive than standard models.
Final Verdict: The safest all-around choice for Glacier Bay toilets.
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2. Fluidmaster 400A Universal Fill Valve
Who it’s for: Anyone needing a budget-friendly, no-frills replacement.
- Key Benefits: Universal design, dependable operation, easy install.
- Pros: Affordable, plumber-recommended, proven track record.
- Cons: Lacks the water-saving adjustments of premium models.
Final Verdict: Great for quick fixes and reliable performance.
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3. Fluidmaster 400CRP14 Universal Fill Valve & Flapper Repair Kit
Who it’s for: Homeowners with older Glacier Bay toilets needing a complete refresh.
- Key Benefits: Includes both valve and flapper, improves efficiency, stops leaks.
- Pros: Full kit, excellent value, universal fit.
- Cons: More work than swapping just the valve.
Final Verdict: Ideal if your Glacier Bay toilet has multiple worn parts.
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4. Fluidmaster PRO45 Quiet Fill Valve
Who it’s for: Anyone who wants quieter flushes and professional-grade quality.
- Key Benefits: Extra-quiet refill, durable materials, adjustable flow.
- Pros: Perfect for bathrooms near bedrooms, long-lasting build.
- Cons: Costs more than standard models.
Final Verdict: The best upgrade for peace and quiet.
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5. Fluidmaster 400H-002 Performax Universal Fill Valve
Who it’s for: Households wanting advanced control and water efficiency.
- Key Benefits: Dual adjustments for water level and refill rate.
- Pros: Saves water, customizable, strong performance.
- Cons: Setup takes a little longer than basic models.
Final Verdict: A smart choice if you want efficiency and customization.
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6. Fluidmaster 402CARHRKP10 PerforMAX Complete Toilet Repair Kit
Who it’s for: Glacier Bay toilets needing a full rebuild.
- Key Benefits: Includes fill valve, flapper, and other key components.
- Pros: One purchase solves multiple issues, long-lasting repair.
- Cons: Higher price than single valve replacements.
Final Verdict: The best investment if your toilet is older or has multiple failing parts.
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Comparison Table
| Name | Best For | Key Features | Price Link |
|---|---|---|---|
| Fluidmaster 400AH | All Glacier Bay models | Quiet, water-saving, adjustable | View Price |
| Fluidmaster 400A | Budget replacement | Universal, affordable, simple | View Price |
| Fluidmaster 400CRP14 | Valve + flapper repair | Complete kit, prevents leaks | View Price |
| Fluidmaster PRO45 | Quiet performance | Professional-grade, noise reduction | View Price |
| Fluidmaster 400H-002 | Water efficiency | Dual adjustments, eco-friendly | View Price |
| Fluidmaster 402CARHRKP10 | Full rebuild | Complete repair kit | View Price |
FAQ Section
Do Fluidmaster fill valves work with Glacier Bay toilets?
Yes. Fluidmaster fill valves are universal and fit nearly all Glacier Bay models.
Which Fluidmaster model is best for Glacier Bay?
The Fluidmaster 400AH PerforMAX is the most versatile and reliable for Glacier Bay toilets.
How long do Fluidmaster valves last?
Most last 5–7 years, depending on water quality and usage.
Can I install a Fluidmaster valve myself?
Yes. Installation usually takes 15–30 minutes with basic tools.
Should I buy just the valve or a full kit?
If only your valve is bad, a single replacement is fine. If your flapper or other parts are also worn, go with a full kit.
Conclusion
If you own a Glacier Bay toilet and the fill valve is failing, the easiest and most reliable fix is a Fluidmaster replacement. The 400AH PerforMAX is the best overall option, while the 400A is perfect for budget-friendly repairs, and the 400CRP14 kit offers a complete solution for older toilets.
Don’t wait until the problem gets worse — get your Fluidmaster replacement valve today and restore your Glacier Bay toilet to perfect working order.