Skip to content
Appointments are recommended for showroom visitors—plan ahead for the best experience!
Appointments are recommended

Gerber GWS28528 Viper 1.0gpf Tank 12" Rough-in White

$159.00
$135.00
Color: White

This product is currently not available for online purchase.

To explore this item, check availability, or get expert design guidance, schedule a complimentary showroom appointment with one of our design experts!

Set it and forget it with the reliable Viper® 1.0 gpf Tank. The tall, narrow designed Viper® tank optimizes flush speed, and quickly refills using a trusted, industry best, Fluidmaster® 400A Fill Valve. An exclusive multi-point mounting system and non-corrosive brass tank-to-bowl bolts ensure long lasting stability and ease of installation, making Viper® the professional's choice.


  • Color-matched, metal tank lever with solid durable brass arm
  • 3" flush valve for faster water flow and flushing power
  • 12" rough-in
  • Fluidmaster 400 A Fill Valve
  • Double nut, multi-point tank-to-bowl mounting system
  • Toilet Tank Only, Bowl Sold Separately
  • WaterSense certified, High-Efficiency Toilet (HET) to save 20% more water
  • Dimensions: 18.375" L x 9.125" W x 15.25" H
  • WaterSense Certified
  • ADA Compliant
  • Limited Lifetime Warranty
  • Collection: Viper
  • Country of origin: China

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare