---
product_id: 50660924
title: "Watts Sea 66100 100XL-4 3/4\" 150 Psi 100Xl-4 T & P Relief Valve"
brand: "watts"
price: "VT1185"
currency: VUV
in_stock: false
url: https://www.desertcart.vu/products/50660924-watts-sea-66100-100xl-4-3-4-150-psi-100xl
store_origin: VU
region: Vanuatu
---

# Durable bronze & stainless steel 150 PSI max pressure Proudly made in USA Watts Sea 66100 100XL-4 3/4" 150 Psi 100Xl-4 T & P Relief Valve

**Brand:** watts
**Price:** VT1185
**Availability:** ❌ Out of Stock

## Summary

> ⚙️ Elevate your plumbing game with trusted, durable relief!

## Quick Answers

- **What is this?** Watts Sea 66100 100XL-4 3/4" 150 Psi 100Xl-4 T & P Relief Valve by watts
- **How much does it cost?** VT1185 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/50660924-watts-sea-66100-100xl-4-3-4-150-psi-100xl)

## 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

- • **Built to Last:** Premium bronze and stainless steel for unmatched durability
- • **Compact Powerhouse:** Space-saving 2.54 cm design fits effortlessly
- • **OEM Trusted Quality:** Genuine Watts Sea replacement part for seamless fit
- • **Lightweight Efficiency:** Only 136 grams for easy handling and installation
- • **Pressure-Perfect Safety:** Reliable 150 PSI relief to protect your system

## Overview

The Watts Sea 66100 100XL-4 is a compact, high-performance T & P relief valve engineered in the USA. Crafted from robust bronze and stainless steel, it delivers reliable pressure relief up to 150 PSI, ensuring safety and longevity for your plumbing system. An OEM replacement part designed for seamless integration and peace of mind.

## Description

OEM Replacement Parts / Equipment

## Features

- Made in United States

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Watts Sea |
| Part Number | 66100100XL4 |
| Product Dimensions | 2.54 x 2.54 x 2.54 cm; 136.08 g |
| Item model number | 66100 100XL-4 |
| Size | No Size |
| Colour | No Color |
| Material | Bronze, Stainless Steel |
| Item Package Quantity | 1 |
| Maximum Pressure | 150 Pound per Square Inch |
| Certification | oem |
| Included Components | Watts Sea 66100 100XL-4 3/4" 150 Psi 100Xl-4 T & P Relief Valve |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 136 g |

## Product Details

- **Material:** Bronze, Stainless Steel
- **Brand:** Watts
- **Item dimensions L x W x H:** 25 x 25 x 25 millimetres
- **Exterior finish:** Stainless Steel
- **Inlet connection type:** National Pipe Tapered
- **Outlet connection type:** FNPT
- **Maximum operating pressure:** 150 Pound per Square Inch
- **Number of ports:** 2
- **Outlet connection size:** 0.75 Inches
- **Specification met:** oem

## Images

![Watts Sea 66100 100XL-4 3/4" 150 Psi 100Xl-4 T & P Relief Valve - Image 1](https://m.media-amazon.com/images/I/61B9NsCWpZL.jpg)

## Frequently Bought Together

- Watts Sea 66100 100XL-4 3/4" 150 Psi 100Xl-4 T & P Relief Valve
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**Shop now:** [https://www.desertcart.vu/products/50660924-watts-sea-66100-100xl-4-3-4-150-psi-100xl](https://www.desertcart.vu/products/50660924-watts-sea-66100-100xl-4-3-4-150-psi-100xl)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-05*