---
product_id: 19923408
title: "Watts Sea 66100 100XL-4 3/4\" 150 Psi 100Xl-4 T & P Relief Valve"
brand: "watts"
price: "30217CFA"
currency: XOF
in_stock: true
category: "Watts"
url: https://www.desertcart.sn/products/19923408-watts-sea-66100-100xl-4-3-4-150-psi-100xl
store_origin: SN
region: Senegal
---

# 3/4" NPT threaded connection 150 PSI max pressure Proudly made in the USA Watts Sea 66100 100XL-4 3/4" 150 Psi 100Xl-4 T & P Relief Valve

**Brand:** watts
**Price:** 30217CFA
**Availability:** ✅ In Stock

## Summary

> 🛡️ Secure your system with Watts Sea – where safety meets precision!

## 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?** 30217CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/19923408-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

- • **Durable Bronze Build:** Corrosion-resistant bronze exterior for long-lasting performance
- • **Compact & Lightweight:** Only 4.8 oz and 1-inch dimensions for space-saving integration
- • **Seamless Threaded Fit:** Standard 3/4" NPT connection for easy installation
- • **Trusted Brand Quality:** Watts Sea OEM replacement with 4.7-star user approval
- • **Precision Pressure Control:** Reliable 150 PSI relief for ultimate safety

## Overview

The Watts Sea 66100 100XL-4 is a high-performance 3/4" bronze pressure relief valve rated for 150 PSI, designed as an OEM replacement part. Made in the USA, it features a threaded NPT connection for easy installation and is trusted by professionals for its durability and reliability, boasting a 4.7-star rating from 155 users.

## Description

OEM Replacement Parts / Equipment

## Features

- Made in United States

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002QYIRN0 |
| Best Sellers Rank | #20,364 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Relief Valves |
| Brand Name | Watts |
| Connector Type | Threaded |
| Customer Reviews | 4.7 4.7 out of 5 stars (155) |
| Exterior Finish | Bronze |
| Included Components | Watts Sea 66100 100XL-4 3/4" 150 Psi 100Xl-4 T & P Relief Valve |
| Item Dimensions | 1 x 1 x 1 inches |
| Item Type Name | Watts Sea 66100 100XL-4 3/4" 150 Psi 100Xl-4 T & P Relief Valve |
| Item Weight | 4.8 ounces |
| Manufacturer | Watts Sea |
| Manufacturer Part Number | 66100100XL4 |
| Manufacturer Warranty Description | Warranty |
| Material Type | Bronze |
| Maximum Pressure | 150 Pound per Square Inch |
| Model Number | 66100 100XL-4 |
| Number of Pieces | 100 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.75 Inches |
| Outlet Connection Type | FNPT |
| Set Name | 100XL-4 |
| Size | No Size |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specification Met | oem |
| Thread Size | 3/4 in |
| Thread Type | NPT |
| UPC | 098268000016 |
| Unit Count | 1.0 Count |
| Valve Type | Pressure Relief Valve |

## Product Details

- **Brand:** Watts
- **Exterior Finish:** Bronze
- **Item dimensions L x W x H:** 1 x 1 x 1 inches
- **Material:** Bronze
- **Maximum Operating Pressure:** 150 Pound per Square Inch
- **Number of Packs:** 1
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.75 Inches
- **Outlet Connection Type:** FNPT
- **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
- Numatic Numatic Henry Cleaner Bags - 1 Box (Pack of 10), White
- Avern GENUINE ONLY Numatic Henry Hetty NVM-1CH HepaFlo Vacuum Cleaner Dust Bags Pack Of 10-604015 907075

---

## 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.sn/products/19923408-watts-sea-66100-100xl-4-3-4-150-psi-100xl](https://www.desertcart.sn/products/19923408-watts-sea-66100-100xl-4-3-4-150-psi-100xl)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-17*