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Master Plumber MP Fit All — Review & Specs | Pricepect | Pricepect

Home Toilet FlappersMaster Plumber MP Fit All

Master Plumber MP Fit All — image 1

Master Plumber

Master Plumber MP Fit All

$5.99$6.193% off

714-777

Toilet Flappers

Expert Review Analysis

The Master Plumber 714-777 is a solid rubber replacement flapper designed specifically for legacy toilet flush valves, including Douglas-type and Crane fixtures without overflow tubes. It features a unique design for plastic flush valves with projecting posts and includes a stainless steel chain for durability. This product serves as a targeted solution for older toilets rather than a universal fit for modern dual-flush or high-efficiency models.

✓ Best for: Homeowners with pre-1990s toilets lacking overflow tubes, specifically Douglas-type or Crane fixtures, Coast or Hoov-R-Line brands, and plastic flush valves with projecting posts. Ideal for quick DIY fixes for phantom flushes or leaks in vintage bathrooms and renters avoiding plumber calls.✗ Not ideal for: Users with dual-flush toilets, elongated bowl models, or high-efficiency toilets (1.28 GPF). It is also unsuitable for modern toilets with overflow tubes, non-projecting posts, or brands like Kohler where the 3-inch size does not match the valve requirements.

Pros

✓Provides a reliable seal on older valve types such as Douglas and Crane fixtures to reduce water leaks
✓Constructed with solid rubber material that offers enhanced durability compared to standard thin flappers

Best Seller Rank History

Now#99Best#99Worst#229 +12

Lower = better sales rank

Rating Trend

Rating4.3/ 5Reviews400+54 reviews

Specifications

Design

Height6.75 inches mm

Width3.87 inches mm

Length2.12 inches mm

Flapper Diameter3 inches mm

Features

MaterialSolid rubber

Chain MaterialStainless steel

Valve Type CompatibilityDouglas-type, Crane fixtures without overflow tubes, plastic flush valves with projecting posts

Overflow Tube CompatibilityNot compatible

Flush Valve Size Support3 inch

General

BrandMaster Plumber

Model714-777

Country of OriginTaiwan

ECCNEAR99

Compatibility

Valve TypeDouglas-type, Crane fixtures without overflow tubes, plastic flush valves with projecting posts

Brand CompatibilityCoast, Hoov-R-Line, older Crane models

Construction

Chain MaterialStainless steel

Regulatory

Export Control ClassificationEAR99

Dimensions & Weight

Height6.75 inches

Width3.87 inches

Depth2.12 inches

Research Sources

samuelson.shoptruevalue.com

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User Reviews

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4.3

(366 reviews)

✓Includes a stainless steel chain that resists rust and snapping, outperforming typical plastic chains

✓Features a unique design compatible with plastic flush valves that have projecting posts

✓Allows for easy drop-in installation without requiring specialized tools for most users

Cons

✗Limited compatibility prevents use in toilets equipped with overflow tubes or non-projecting posts
✗Rubber material may degrade faster in areas with hard water or high mineral content
✗Not suitable for high-flow toilets or modern dual-flush systems requiring specific valve sizes
✗Does not support larger 3-inch variants of flush valves despite being a 3-inch flapper
✗May fail to seal properly on newer toilet brands like Kohler due to size mismatch

From Expert Reviews

Praised by Experts

✓Unique design specifically engineered for Douglas and Crane valve types lacking overflow tubes
✓Stainless steel chain construction provides better longevity than standard plastic alternatives
✓Serves as a budget-friendly basic solution for legacy toilet maintenance needs

Criticized by Experts

✗Positioned as a budget basic product rather than a premium or high-durability pick
✗Lacks versatility compared to universal flappers that fit a broader range of modern toilets
✗No independent editor-tested ratings or professional durability claims from major review outlets

From User Reviews

Users Love

✓Perfect fit for old Crane toilets effectively stopping constant running and water waste
✓Stainless steel chain remains sturdy and resists rust for up to two years of use
✓Successfully resolves phantom flush issues in vintage bathrooms without professional help

Users Complain About

✗Rubber material softens and degrades after six months in mineral-heavy water leading to leaks
✗Fails to seal on newer toilet models like Kohler because the flapper is too small
✗Incompatible with modern toilets causing frustration for users with non-vintage fixtures

Expert Opinion

Professional reviewers and editors lack in-depth ratings for this specific model, describing it neutrally as a 'fit-all' solution for legacy toilets. It is positioned as a budget basic option rather than a premium pick, with emphasis placed on its unique design for Douglas and Crane valves. There are no editor-tested durability ratings from major sources like This Old House or Family Handyman.

What Users Say

User feedback is generally positive for compatible vintage toilets, with common praise highlighting the perfect fit for old Crane models and the durability of the stainless steel chain. Recurring complaints focus on incompatibility with newer brands like Kohler and rubber degradation in hard water areas, with approximately 70-80% positive sentiment tied to correct model matching.

Common Complaints

Rubber softening and degradation after six months in mineral-heavy water causing leaks, failure to seal on newer brands like Kohler due to size mismatch, and incompatibility with modern dual-flush or high-efficiency toilet systems.

What People Are Saying

“Perfect fit for my old Crane toilet—stopped the constant running”
5/5 ★User ReviewNov 2025

“Chain is sturdy, lasted 2 years without rust.”
5/5 ★User ReviewNov 2025

“Didn't seal on my newer Kohler—too small”
2/5 ★User ReviewNov 2025

“Rubber softened after 6 months in mineral-heavy water, leaks started.”
2/5 ★User ReviewNov 2025

How It Compares

vs. Fluidmaster 502 (Performax)

Advantages

✓Master Plumber 714-777 offers a niche legacy fit for Douglas/Crane valves that Fluidmaster universals may not target specifically

Disadvantages

✗Fluidmaster 502 is more versatile with a universal fit for most 2-inch and 3-inch valves including Mansfield
✗Fluidmaster 502 claims 5x durability and longer average life compared to the basic 1-year life of the 714-777

Choose Fluidmaster 502 for broader compatibility and durability, but choose Master Plumber 714-777 for exact-match legacy valve needs.

vs. Korky 3010

Advantages

✓Master Plumber 714-777 is generally more budget-friendly than the pricier Korky 3010

Disadvantages

✗Korky 3010 offers a quieter flush and better seal on modern tanks compared to the basic Master Plumber
✗Korky 3010 has a rust-proof metal chain whereas Master Plumber relies on stainless steel which may vary in quality

Choose Korky 3010 for modern toilets and quiet operation, but choose Master Plumber 714-777 for cost-effective legacy valve replacement.

vs. Danco 80816

Advantages

✓Master Plumber 714-777 provides a specific fit for plastic flush valves with projecting posts that Danco may not address

Disadvantages

✗Danco 80816 features adjustable ears for a more universal fit compared to the fixed design of the 714-777
✗Danco 80816 has a weaker chain compared to the stainless steel chain included with the Master Plumber

Choose Danco 80816 for budget universal adjustments, but choose Master Plumber 714-777 for superior chain durability and specific legacy fits.