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💧 Keep your system pressure flawless — because every drop counts!
The WATTS WATER TECHNOLOGIES GIDDS-1030401 is a 2.1-gallon potable water expansion tank designed to control thermal expansion in closed-loop hydronic heating systems. Featuring durable carbon steel construction with an epoxy finish and a stainless steel nipple, it offers corrosion resistance and long-lasting performance. Its 3/4" MNPT connection enables easy installation directly on supply piping, preventing pressure relief valve activation and enhancing system longevity. Trusted by professionals and homeowners alike, this lead-free tank combines efficiency with Watts’ century-old expertise in water technology.
| ASIN | B002JEODQW |
| Best Sellers Rank | #325,803 in Garden & Outdoors ( See Top 100 in Garden & Outdoors ) #466 in Tanks |
| Brand | WATTS |
| Capacity | 2.1 Gallons |
| Colour | Gray |
| Customer Reviews | 4.7 out of 5 stars 315 Reviews |
| Enclosure Material | Stainless Steel |
| Global Trade Identification Number | 00098268095739 |
| Included Components | Expansion Tank |
| Item Dimensions L x W x H | 20.3L x 20.3W x 27.9H Centimeters |
| Item Type Name | Expansion Tank |
| Item Weight | 0.01 Ounces |
| Manufacturer | WATTS WATER TECHNOLOGIES |
| Manufacturer Part Number | GIDDS-1030401 |
| Material | Stainless Steel |
| Model number | PLT-5 |
| OutputCapacity | 2.1 Gallons |
| Product Dimensions | 20.3L x 20.3W x 27.9H Centimeters |
| Shape | Oval |
| Specification Met | Not Applicable |
| UPC | 098268095739 |
| Unit Count | 1.0 Count |
B**D
Prevents pressure relief valve from firing
We got our pressure valve fixed and so had to install this to prevent the pressure relief valve from going off on the heater. This was easy to install and has clear instructions: 1: pump to the same pressure as the water pressure 2: install (no need to support it) It's pretty small so make sure to size it appropriately. We have had zero issue and everything is working just fine.
S**N
Arrived on time
Arrived on time and was easy to install into the fridge.
A**Y
good.
so far improved the pressure in the house. Thanks
C**G
Good quality Tank- paint and threads.
The tank arrived on time and in good condition. Installation was easy. The tank paint and threads were all good quality. It was installed to reduce water pressure changes on my hot water tank. The pressure relief valve was periodically leaking and the expansion tank resolved the problem.
A**R
It Works As Promised
Delivers as promised in the specs. Check the bladder pressure and adjust if necessary. I used a bike tire pump.
Trustpilot
2 weeks ago
2 days ago