---
product_id: 58804001
title: "Water Worker 4.4 Gal. Water Heater Expansion/Safety Tank"
brand: "water worker"
price: "FREE"
currency: VUV
in_stock: false
url: https://www.desertcart.vu/products/58804001-water-worker-4-4-gal-water-heater-expansion-safety-tank
store_origin: VU
region: Vanuatu
---

# Water Worker 4.4 Gal. Water Heater Expansion/Safety Tank

**Brand:** water worker
**Price:** FREE
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Water Worker 4.4 Gal. Water Heater Expansion/Safety Tank by water worker
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/58804001-water-worker-4-4-gal-water-heater-expansion-safety-tank)

## Best For

- water worker enthusiasts

## Why This Product

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

## Description

Thermal / hot water heater expansion tanks prevent hot water from back flowing into cold water line or from escaping through the pressure relief valve and onto the floor. Prevents constant fluctuations in water pressure that damage the heater and associated piping. National plumbing code mandates installation when a backflow preventer is present. All U.S. water heater manufacturers require the installation of an expansion tank in closed piping systems Accepts expanded water as system temperature rises due to thermal expansion and returns hot water to system when demand occurs Required by most building codes where backflow preventers are specified Prevents dripping faucets, intermittent toilet fill and pressure relief valve discharge Protects water heater, appliances and fixtures, prevents dangerous pressure buildup Eliminates wasted energy and water, save money and conserve water Butyl diaphragm for long life Deep drawn steel domes for maximum strength and pressure rating Rigid polypropylene liner for corrosion resistant reservoir Maximum operating temperature: 200°F, maximum working pressure: 150 psi. factory pre-charge: 40 psi Welded steel construction welded air charge fitting with protective cap for corrosion resistance and an air-tight seal Sizing - up to a 80 Gal. water heater Maximum operating temperature: 200°F, maximum working pressure: 150 psi, factory pre-charge: 40 psi System connection- 3/4 in. NPTM

## Images

![Water Worker 4.4 Gal. Water Heater Expansion/Safety Tank - Image 1](https://m.media-amazon.com/images/I/11vET4m3c5L.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.vu/products/58804001-water-worker-4-4-gal-water-heater-expansion-safety-tank](https://www.desertcart.vu/products/58804001-water-worker-4-4-gal-water-heater-expansion-safety-tank)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-02-25*