YORKVILLE VORMAX TANK 1.28
YORKVILLE VORMAX TANK 1.28
4385A137.020
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$255.45
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$255.45
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The 4385A137.020 is an American Standard Yorkville VorMax toilet tank (white), designed for a two-piece high-efficiency toilet system.
🚽 What it is
A replacement toilet tank only (bowl sold separately) used in Yorkville VorMax toilet setups.
⚙️ Key features
- Model: 4385A137.020
- Flush type: VorMax dual-injection gravity flush
- Water usage: 1.28 gallons per flush (HET / WaterSense certified)
- Material: Vitreous china (ceramic)
- Handle: Left-hand chrome trip lever
- Finish: White
- Antimicrobial surface (EverClean) helps reduce stains and bacteria buildup
💧 Performance highlights
- VorMax flushing system cleans the bowl more effectively than standard gravity toilets
- Designed to reduce waste buildup and improve bowl rinse coverage
- Meets EPA WaterSense efficiency standards
🧠 In plain terms
It’s a high-efficiency replacement toilet tank that mounts on top of a matching Yorkville bowl and uses a stronger rinse-style flush system to keep the bowl cleaner while using less water.

YORKVILLE VORMAX TANK 1.28
$255.45