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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Description

🚽 Flush like a pro: efficiency, durability, and control in one sleek chrome package!

ADA COMPLIANT ERGONOMICS - Metal oscillating handle designed for effortless, accessible operation—because inclusivity is non-negotiable.
PRECISION WATER CONSERVATION - Fixed metering bypass and non-hold-open handle lock in 1.28 gallons per flush, slashing water waste without sacrificing performance.
CLOG RESISTANT CID TECHNOLOGY - Advanced interference dispersion tech ensures smooth, reliable flushes every time—no clogs, no downtime.
DURABLE PERMEX RUBBER COMPONENTS - Engineered for longevity with chloramine-resistant diaphragm and seals, minimizing maintenance and maximizing uptime.
SECURE VANDAL RESISTANT CONTROL - Bak-Chek angle stop with free-spinning cap protects your investment from tampering and unauthorized water use.

The Sloan Royal 111 Exposed Manual Water Closet Flushometer delivers a high-performance, water-saving flush at 1.28 gallons per flush. Built with durable brass and PERMEX rubber components, it features clog-resistant CID technology and an adjustable tailpiece for flexible installation. ADA-compliant and vandal-resistant, this polished chrome flush valve is engineered for commercial reliability and sustainable operation.

Specifications

Material	Brass
Brand	Sloan
Item dimensions L x W x H	9.75 x 9.13 x 4.38 inches
Exterior Finish	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	6.46 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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