Can this be upgraded to flush 3 gallons?

I’m not for sure but I think with a new diaphragm it can be cause the diaphragm is what controls how much water.

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Deliver to Slovakia

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Description

🚿 Flush smarter, not harder — the royal standard in water efficiency!

PRECISION WATER CONSERVATION - Flushes at a smart 1.28 gallons per flush, saving water without sacrificing performance.
DURABLE PERMEX RUBBER COMPONENTS - Chloramine-resistant diaphragm and seals ensure long-lasting, clog-free operation.
VANDAL RESISTANT ADA COMPLIANT - Secure, non-hold-open handle with vandal-proof stop cap meets accessibility standards.
CID TECHNOLOGY FOR RELIABLE FLUSHING - Advanced clog-resistant design guarantees consistent, efficient flushes every time.
POLISHED CHROME FINISH FLEXIBLE INSTALLATION - Sleek, modern look with adjustable tailpiece fits diverse commercial restroom setups.

The Sloan Royal 111 Exposed Manual Water Closet Flushometer delivers high-performance flushing with a water-saving 1.28 GPF rate. Featuring advanced CID clog-resistant technology and durable PERMEX rubber components, it ensures reliable, maintenance-friendly operation. Its polished chrome finish and adjustable tailpiece provide both style and installation flexibility, while ADA compliance and vandal-resistant features make it ideal for modern commercial restrooms focused on sustainability and accessibility.

Specifications

Material	Brass
Brand	Sloan
Item dimensions L x W x H	9.75 x 9.13 x 4.38 inches
Exterior Finish	Polished Chrome
Inlet Connection Size	1 Inches
Inlet Connection Type	Sweat Adaptor
Outlet Connection Type	Top Spud
Maximum Operating Pressure	80 Pound per Square Inch
Outlet Connection Size	1.5 Inches
Specification Met	ADA
Global Trade Identification Number	00671254209794
Manufacturer	SLOAN
UPC	671254209794
Part Number	3910168
Item Weight	1 pounds
Product Dimensions	9.75 x 9.13 x 4.38 inches
Item model number	3910168
Is Discontinued By Manufacturer	No
Size	1.28 GPF
Color	Chrome
Style	Water Closet
Finish	Chrome
Installation Method	Wall Mounted
Item Package Quantity	1
Water Consumption	1.28 Gallons
Number of Handles	1
Included Components	Flush Valve
Batteries Included?	No
Batteries Required?	No

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