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Watts

Watts PLT-12 4.5-Gallon Potable Water Expansion Tank 3/4" Male Inlet

✅ In stock 📉 Price recently dropped
C
Grade
🙂 Fair Price
45.05/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$110.44
Listed $192.53
Save $82.09 43% OFF
Analysis Confidence 90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 2, 2026 3:51 AM · Prices & availability subject to change

Is This a Good Price on Amazon?

🙂 Fair Price
  • 🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
  • 💰At 8% off its standard going rate, this offer delivers clear value for the money.
  • 🏷️The retail sticker price has been slashed by 43% — a steep markdown from the official listing.
  • 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
  • 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.

How We Scored This Deal

Price Competitiveness 9.4/28
Recent Value 15.98/22
Market Standing 9.68/20
Deal Strength 0/20
Momentum 10/10

📝 Product Overview

🏪 Sold by Big Frog Supply
🚚 Shipping Free Shipping

Product Details

✓WATER EXPANSION TANK: With a generous 4.5 tank gallon volume, the Watts Potable Water Expansion Tank is designed for use in commercial and residential water heating systems to control the thermal expansion of hot water and maintain safe pressures.
✓VERSATILE MOUNTING: This potable water expansion tank is designed for easy installation, mounting directly to the supply piping whether standing on top of a pipe or hanging from one. Tank features a 3/4-inch male connection and a stainless steel inlet.
✓DURABLE CONSTRUCTION: This water tank is constructed from high-quality carbon steel with an epoxy finish, ensuring long-lasting performance. It is also equipped with a durable expansion membrane that minimizes the loss of the air charge.
✓WIDE COMPATIBILITY: These potable water tanks may be used with all types of Direct Fired Hot Water Heaters (gas, oil or electric) as well as hot water storage tanks. Each tank is carefully designed with a maximum pressure of 150psi (10 bar).
✓EVERY DROP COUNTS: Water. It's in our name and close to our hearts. Since 1874, Watts Water Technologies has been delivering innovative technologies that make the world's most precious resource safe and accessible. Everything we design is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers. Our family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions.

⚙️ Specifications

‎10.5 x 10.5 x 13.5 inches
‎8.68 pounds
‎Wilo
‎B002JEQGYO
‎PLT-12
‎No
Product Dimensions
11.1"W x 14.7"H
Item Weight
8.68 pounds
Manufacturer
Wilo
ASIN
B002JEQGYO
Item model number
PLT-12
Is Discontinued By Manufacturer
No
Date First Available
January 29, 2009
Brand
Watts
C
$110.44
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