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.

Deliver to Greece

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SloanValve 111 Royal Exposed Closet 1.6 GPF Flush Valve, Chrome

SloanValve 111 Royal Exposed Closet 1.6 GPF Flush Valve, Chrome

Product ID: 71652494

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Details

Material
Bronze
Brand
Sloan
Item dimensions L x W x H
24.8 x 23.2 x
Exterior finish
Chrome
Inlet connection size
1.5 inches
Inlet connection type
Flange

✨Durable chrome-plated metal handle

💧1.6 GPF ultra-low water use

🔧1" IPS screwdriver bak-check angle stop

Description

🚽 Flush like a pro — efficiency meets style in every flush!

SUSTAINABLE MANUFACTURING - 100% renewable energy offsets in production align with your eco-conscious lifestyle.
ECO SMART FLUSH EFFICIENCY - Conserve water with a precise 1.6 gallons per flush, cutting waste without sacrificing performance.
ADVANCED CHLORAMINE RESISTANCE - PERMEX synthetic rubber diaphragm and seals resist harsh water chemicals, extending product life.
PRECISION CONTROL ZERO HASSLE - Fixed metering bypass and no external volume adjustments ensure consistent, reliable flush accuracy every time.
BUILT TO LAST DESIGNED TO IMPRESS - Chrome-plated, vandal-resistant metal handle meets ADA standards for sleek durability and accessibility.

The Sloan Valve 111 Royal Exposed Closet Flush Valve delivers high-performance flushing with a water-saving 1.6 GPF rate. Featuring a durable chrome-plated metal handle that’s ADA compliant and vandal-resistant, it ensures reliable operation and long-lasting durability. Engineered with PERMEX rubber components for chloramine resistance and precision flush control technology, this valve is perfect for modern commercial or upscale residential bathrooms seeking sustainability and style.

Specifications

Manufacturer	Sloan Valve
Part Number	111
Product Dimensions	24.77 x 23.19 x 11.13 cm; 0.28 g
Item model number	3010000
Size	1" IPS
Colour	Chrome
Style	Water Closet
Material	Bronze
Item Package Quantity	1
Maximum Pressure	100 Pound per Square Inch
Number of handles	1
Certification	ADA, CSA, ULC
Batteries included?	No
Batteries Required?	No
Item Weight	0.28 g