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
Material
Plastic
Item dimensions L x W x H
4 x 2 x 4
Item Weight
8 ounces
Manufacturer
Rain Pty

📊Clear dial with instant water level readout

📏Fits tanks up to 8 ft tall

⚙️Simple single-hole installation

₨44957

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Description

💧 Stay ahead of the drought—track your rainwater like a pro!

EFFORTLESS SETUP - Install in minutes with just one hole and a quick dial calibration—no tools or tech skills required.
DURABLE LIGHTWEIGHT - Crafted from sturdy plastic and weighing only 0.5 lbs, it’s built to last without adding bulk.
INSTANT WATER INSIGHT - Know your tank’s water level at a glance with a bold, easy-to-read dial featuring 'Empty' and 'Full' markers.
OPTIMIZE YOUR WATER USE - Stay ahead of water shortages and maximize rainwater harvesting efficiency with real-time level monitoring.
UNIVERSAL COMPATIBILITY - Designed to fit most vented aboveground and underground tanks up to 8 feet high—versatility that works for your setup.

The Rain Harvesting Tank Gauge is a lightweight, plastic water level monitor designed for vented tanks up to 8 feet tall. Featuring a clear dial with 'Empty' and 'Full' indicators, it installs easily through a single hole and calibrates quickly, empowering efficient rainwater management for sustainable living.

Specifications

Best Sellers Rank	#54,186 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #70 in Rain Gauges
Brand	Rain Harvesting
Customer Reviews	4.0 out of 5 stars 267 Reviews
Item Weight	0.5 Pounds
Item dimensions L x W x H	4 x 2 x 4 inches
Manufacturer	Rain Harvesting Pty
Material	Plastic

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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₨44957

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Sri Lanka.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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