---
product_id: 260963832
title: "WATTS WATER TECHNOLOGIES GIDDS-1030402 Watts Potable Water Expansion Tank, Model #Plt-12, Stainless Steel Nipple, 4.5 Gallon, Lead Free - 1030402"
brand: "watts"
price: "S$211"
currency: SGD
in_stock: false
url: https://www.desertcart.sg/products/260963832-watts-water-technologies-gidds-1030402-watts-potable-water-expansion-tank
store_origin: SG
region: Singapore
---

# Pre-pressurized for Instant Performance 3/4-inch Stainless Steel Nipple 4.5 Gallon Capacity WATTS WATER TECHNOLOGIES GIDDS-1030402 Watts Potable Water Expansion Tank, Model #Plt-12, Stainless Steel Nipple, 4.5 Gallon, Lead Free - 1030402

**Brand:** watts
**Price:** S$211
**Availability:** ❌ Out of Stock

## Summary

> 💧 Upgrade your water system—silence the noise, secure the flow!

## Quick Answers

- **What is this?** WATTS WATER TECHNOLOGIES GIDDS-1030402 Watts Potable Water Expansion Tank, Model #Plt-12, Stainless Steel Nipple, 4.5 Gallon, Lead Free - 1030402 by watts
- **How much does it cost?** S$211 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/260963832-watts-water-technologies-gidds-1030402-watts-potable-water-expansion-tank)

## Best For

- watts enthusiasts

## Why This Product

- Trusted watts brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Lead-Free Safety:** Certified potable water safe, prioritizing your family’s health
- • **Silent Pipe Savior:** Eliminates noisy water hammer for a peaceful home environment
- • **Effortless Installation:** Pre-pressurized design means quick setup with minimal fuss
- • **Optimized Expansion Volume:** Handles up to 3.42 gallons at 150 psi to protect your plumbing system
- • **Robust Stainless Steel Connection:** Durable 3/4-inch male nipple ensures leak-free, long-lasting installation

## Overview

The WATTS GIDDS-1030402 is a 4.5-gallon potable water expansion tank featuring a durable stainless steel 3/4-inch nipple and a pre-pressurized butyl diaphragm. Designed to handle up to 3.42 gallons at 150 psi, it effectively eliminates pipe banging while ensuring lead-free, safe water expansion. Trusted by professionals and homeowners alike for its quality construction and easy installation.

## Description

WATTS WATER TECHNOLOGIES GIDDS-1030402 Watts Potable Water Expansion Tank, Model #Plt-12, Stainless Steel Nipple, 4.5 Gallon, Lead Free - 1030402

## Features

- Butyl diaphragm
- 3/4-inch male connection
- Pre-pressurized
- Stainless steel inlet
- Acceptance volume: Max 3.42 G at 150psi

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002JEQGYO |
| Brand Name | WATTS |
| Capacity | 4.5 Gallons |
| Colour | stainless steel |
| Customer Reviews | 4.6 4.6 out of 5 stars (115) |
| Global Trade Identification Number | 00098268095753 |
| Is Electric | No |
| Manufacturer | Wilo |
| Manufacturer Part Number | 67371 |
| Material Type | Alloy Steel |
| Model Number | PLT-12 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Style Name | Potable |
| UPC | 098268095753 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** WATTS
- **Capacity:** 4.5 Gallons
- **Colour:** stainless steel
- **Material:** Alloy Steel
- **Style:** Potable

## Images

![WATTS WATER TECHNOLOGIES GIDDS-1030402 Watts Potable Water Expansion Tank, Model #Plt-12, Stainless Steel Nipple, 4.5 Gallon, Lead Free - 1030402 - Image 1](https://m.media-amazon.com/images/I/51qBGIh6GsL.jpg)
![WATTS WATER TECHNOLOGIES GIDDS-1030402 Watts Potable Water Expansion Tank, Model #Plt-12, Stainless Steel Nipple, 4.5 Gallon, Lead Free - 1030402 - Image 2](https://m.media-amazon.com/images/I/31du1ve1RML.jpg)
![WATTS WATER TECHNOLOGIES GIDDS-1030402 Watts Potable Water Expansion Tank, Model #Plt-12, Stainless Steel Nipple, 4.5 Gallon, Lead Free - 1030402 - Image 3](https://m.media-amazon.com/images/I/41HUJLhgMLL.jpg)
![WATTS WATER TECHNOLOGIES GIDDS-1030402 Watts Potable Water Expansion Tank, Model #Plt-12, Stainless Steel Nipple, 4.5 Gallon, Lead Free - 1030402 - Image 4](https://m.media-amazon.com/images/I/41IQKWzaJ8L.jpg)
![WATTS WATER TECHNOLOGIES GIDDS-1030402 Watts Potable Water Expansion Tank, Model #Plt-12, Stainless Steel Nipple, 4.5 Gallon, Lead Free - 1030402 - Image 5](https://m.media-amazon.com/images/I/31Cs-t1kA9L.jpg)

## Frequently Bought Together

- Watts Water Technologies PLT-12 WATTS Expansion Tank, 4.5 Gallon, Gray
- Taco 400-4 1/8-Inch-NPT Float Air Hy-Vent
- Watts 0342691 30 PSI Pressure Relief Valve, Bronze, 3/4" 335 M2-030

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**Shop now:** [https://www.desertcart.sg/products/260963832-watts-water-technologies-gidds-1030402-watts-potable-water-expansion-tank](https://www.desertcart.sg/products/260963832-watts-water-technologies-gidds-1030402-watts-potable-water-expansion-tank)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-10*