

Rain Harvesting TATG02 Tank Gauge
Rain Harvesting Tank Gauge – Mechanical Water Level Monitor
Part Number: TATG02
💧 Simple, battery-free analog gauge for monitoring water levels in rainwater tanks
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🛠️ Product Overview
The Rain Harvesting TATG02 Tank Gauge is a reliable and maintenance-free mechanical water level monitor that provides a clear reading of your tank’s contents at a glance. Designed for vented tanks up to 100 inches in height, it features a float and counterweight system that requires no batteries or wiring. The gauge face is easy to read and ideal for both residential and commercial rainwater harvesting applications.
$39.95
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Product Information
Product Details
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📄 Key Specifications
• Model: TATG02
• Suitable Tank Height: Up to 100 inches
• Display: Analog dial with empty/full indicators
• Operation: Mechanical float and counterweight
• Material: UV-stabilized plastic housing
• Installation: Fits 1.25"–1.5" hole; includes screws
• Power: No batteries or wiring required
• Calibration: Adjustable to most tank shapes and sizes
• Maintenance: Minimal – check float line occasionally
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✅ Benefits
• No power required – completely mechanical operation
• Quick and easy to install on new or existing tanks
• Easy-to-read dial displays full-to-empty range
• Helps manage water usage and supply levels more efficiently
• UV-resistant housing ensures long life in outdoor conditions
• Calibrates to different tank shapes and sizes
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🔧 Installation Overview
🔧 Installation Overview
1. Drill a 1.25" to 1.5" hole in the top of your tank (if not already available)
2. Secure the tank gauge to the tank using included screws
3. The float and string line will automatically adjust to show the water level
4. No need for wiring, calibration tools, or batteries – it's ready to use


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🚚 Shipping & Handling
• Shipping Dimensions: 7" L × 7" W × 3" H
• Shipping Weight: 1 lb
• Ships From: United States
• Shipping Method: Standard ground shipping