KOHLER Devonshire 1.28 GPF Toilet Tank Only Right Hand with AquaPiston Flush Technology in Black Black-K-4438-RA-7 at The Home Depot
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Model # K-4438-RA-7

Internet # 203006117

Devonshire 1.28 GPF Toilet Tank Only Right Hand with AquaPiston Flush Technology in Black Black

KOHLER Devonshire 1.28 GPF Toilet Tank Only Right Hand with AquaPiston Flush Technology in Black Black

This item has been discontinued.
The Home Depot no longer carries this specific product.

$227.48 / each
Item cannot be shipped to the following state(s): GU,PR,VI


In Stock



Model # K-4438-RA-7

Internet # 203006117

Store SO SKU # 285286

Part of the Devonshire collection, this high-efficiency tank takes inspiration from old-world design Its 1.28-gallon flush setting provides significant water savings of up to 16,500 gallons per year, compared to old 3.5-gallon toilets, without sacrificing performance. Pair this tank with the K-4397 bowl for a complete toilet.

  • 1.28 gallons per flush (gpf)
  • Right-hand Polished Chrome trip lever included
  • Combines with the K-4397 bowl to create a complete K-3837 Devonshire toilet
  • Coordinates with other products in the Devonshire collection
  • Single-flush gravity uses the force of gravity and a precision-engineered tank, bowl, and trapway to create a strong siphon during flushing
  • AquaPiston canister allows water to flow into the bowl from all sides (360 degrees), increasing the power and effectiveness of the flush
  • Flush valve's 3: 2 ratio harnesses the natural force of gravity and optimizes flush performance.
  • Durable canister design has 90% less exposed seal material than a 3 in. flapper, for leak-free performance
  • Light-touch canister flush requires a lower actuation force than a flapper

Info & Guides

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Assembled Depth (in.)  7.8125 in  Assembled Height (in.)  14.25 in 
Assembled Width (in.)  17.25 in  Certifications and Listings  No Certifications or Listings 
Color Family  Black  Color Family  Black 
Color/Finish  Black Black  Flush Valve Size (in.) 
Flushing System  Gravity Fed  Gallons Per Flush  1.28 gal (US) 
Manufacturer Warranty  One-year limited warranty  Material  Vitreous China 
Pressure Assisted  No  Product Depth (in.)  7.8125 
Product Height (in.)  14.25  Product Weight (lb.)  38.5 lb 
Product Width (in.)  17.25  Returnable  90-Day 
Toilet Features  No Additional Features  Toilet Included Components  Handle 
Trip Lever Location  Right 



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