Does the tank have any protection in the event someone attempts to drill a hole and attach a towel rack etc to the other side of the wall?

Not that I remember seeing. The frame around the tank is nice and sturdy but I remember the tank being somewhat open. We love ours. It was very difficult finding a plumber who could take on the challenge but once we did and got it installed, we were very happy with it. Because we were working with in such a small space, we had to pack a lot behind that wall (there were electrical wires and outlet boxes, etc. as well as The tank and pipes for the sink) so I would not even attempt to hang anything above my toilet! (Other than something that could stick on the wall.) Anyway, Good luck!

Whats the drill size to fit a drain pipe on a 2x4 frame, without expanding the 2x4 wall frame??

3-1/2" hole saw. That skims the edges of the 2x4 plate. I ran a guard strip on both sides just in case, even though I did the work and was aware when screwing in the sheetrock.

What size are those 2 rods ?

It's not clear what you mean by '2 rods', but here is the specification sheet for this carrier - https://www.geberitnorthamerica.com/local-media/spec-sheets/gna7225-111-798-00-1-spec.pdf

Can the geberit 366.914.16.1connector w/offset for rh horizontal waste fittings be used on this frame to drain to the side in a 2x6 wall??

It can go right, left or straight down if you choose!

Geberit 111 798 00 1 Blue | Desertcart SINGAPORE

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Description

🚽 Elevate your bathroom game with invisible strength and smart savings!

EFFORTLESS MAINTENANCE - Clean your entire bathroom floor without bending or kneeling thanks to the wall-hung design that frees up floor space.
SEAMLESS DESIGN FREEDOM - Compatible with any leading ceramic toilet bowl and stylish Sigma flush actuators for a sleek, modern bathroom aesthetic.
ECO SMART DUAL FLUSH TECHNOLOGY - Save thousands of gallons annually with precision-engineered 1.6/0.8 GPF flush valves that eliminate leaks and corrosion.
UNMATCHED STRUCTURAL DURABILITY - 16-gauge powder-coated steel frame supports up to 880 lbs, ensuring rock-solid stability behind your wall.
CUSTOMIZABLE COMFORT ACCESSIBILITY - Adjust bowl height from 15 to 19 inches to meet ADA standards or personal preference for ultimate ergonomic ease.

The Geberit 111.798.00.1 Blue is a premium in-wall Duofix carrier system featuring a powder-coated steel frame rated to support 880 lbs, adjustable bowl height for ADA compliance, and water-efficient dual-flush technology (1.6/0.8 GPF). Designed for compatibility with top ceramic brands and Sigma flush actuators, it offers superior durability, eco-friendly performance, and enhanced bathroom accessibility—all while enabling easy floor cleaning and a sleek, modern look.

Specifications

ASIN	B01C7FL4PK
Best Sellers Rank	#584,876 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #90 in Toilet Water Tanks
Brand	Geberit
Brand Name	Geberit
Color	Blue
Customer Reviews	4.6 out of 5 stars 190 Reviews
Global Trade Identification Number	04025416352617
Included Components	Product Only
Installation Method	Behind the wall, built in
Installation Type	Behind the wall, built in
Item Dimensions D x W x H	1"D x 1"W x 1"H
Item Type Name	Toilets and Bidets
Item Weight	10 Pounds
Manufacturer	Geberit
Manufacturer Part Number	111.798.00.1
Manufacturer Warranty Description	Limited Lifetime
Material	Ceramic , Steel
Material Type	Ceramic, Steel
Model Number	111.798.00.1
Product Dimensions	1"D x 1"W x 1"H
Seat Material	Ceramic
Shape	Rectangular
Unit Count	1.0 Count

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