Can this be installed on an angle as the roof of my tank is pitched? Thanks.

I think it would work just fine. The float that runs the dial is hanging from a string. As long as the angle is not too steep and you position the direction of the gauge so that the string is not too crooked on the spool it should work. It is not that expensive and would be worth a try. It is cheaper to order it directly from the company.

what is the diameter of the float hole needed

The hole needs to be 32 mm or ~1.25" min.

How shallow a tank does it work for? Would 2ft work?

it could but i use it for a 2500 gallon water tank

What is the diameter of the gauge base and the distance between screw holes?

The base of the gauge is 3" in diameter, and the screws are 2 1/8" apart.

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Rain Harvesting Tank Gauge

Product ID: 6583132

Details

Brand
Rain
Item Highlight
Tank-Top Water
Item Weight
8 ounces
Item dimensions L x W x H
4 x 2 x 4
Material
Plastic

📊Clear dial with Empty/Full indicators

📏Fits tanks up to 8 ft tall

⚙️Simple single-hole installation

459.61 DT

Duties & taxes included

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Stay ahead of the drought—know your water, own your flow!

QUICK PRECISE SETUP - Install with just one hole and calibrate like setting a clock for perfect accuracy.
DURABLE USER FRIENDLY - Lightweight plastic build with a secure cover—handle with care for long-lasting performance.
UNIVERSAL COMPATIBILITY - Designed to fit most vented aboveground and underground tanks up to 8 feet high.
OPTIMIZE RAINWATER USAGE - Track your water reserves visually to plan refills and conserve efficiently.
EFFORTLESS WATER LEVEL INSIGHT - Instantly see your tank’s status with a clear, easy-to-read dial—no guesswork needed.

The Rain Harvesting Tank Gauge is a precision water level monitor designed for vented tanks up to 8 feet tall. Featuring a simple dial with clear Empty and Full markers, it installs easily through a single tank hole and calibrates quickly for accurate readings. Ideal for rainwater and potable water systems, it empowers efficient water management with real-time visual feedback.

Specifications

ASIN	B004VMFYBI
Best Sellers Rank	#64,572 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #87 in Rain Gauges
Brand	Rain Harvesting
Brand Name	Rain Harvesting
Customer Reviews	4.1 out of 5 stars 287 Reviews
Item Dimensions	4 x 2 x 4 inches
Item Highlight	Tank-Top Water Level Monitoring Device, For Rain Water Catching Systems
Item Weight	8 ounces
Item dimensions L x W x H	4 x 2 x 4 inches
Manufacturer	Rain Harvesting Pty
Material	Plastic
Material Type	Plastic
Model	TATG02
Number of Items	1
Number of Packs	1
Part Number	TATGO2
Thread Style	Npt
Unit Count	1 Count

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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