---
product_id: 261832467
title: "Merrill MFG PRVNL50 1/2\" Pressure Relief Valve, Brass"
brand: "merrill"
price: "₩37764"
currency: KRW
in_stock: true
category: "Merrill"
url: https://www.desertcart.kr/products/261832467-merrill-mfg-prvnl50-1-2-pressure-relief-valve-brass
store_origin: KR
region: South Korea
---

# 1/2" NPT threaded connections 75 PSI max pressure Lead-free brass & stainless steel springs Merrill MFG PRVNL50 1/2" Pressure Relief Valve, Brass

**Brand:** merrill
**Price:** ₩37764
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your plumbing game with precision and peace of mind!

## Quick Answers

- **What is this?** Merrill MFG PRVNL50 1/2" Pressure Relief Valve, Brass by merrill
- **How much does it cost?** ₩37764 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/261832467-merrill-mfg-prvnl50-1-2-pressure-relief-valve-brass)

## Best For

- merrill enthusiasts

## Why This Product

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

## Key Features

- • **Durable Brass Construction:** Robust lead-free brass body paired with stainless steel springs for long-lasting reliability.
- • **Precision Pressure Control:** Engineered to safely relieve pressure up to 75 PSI, protecting your system from costly damage.
- • **Cold Water System Optimized:** Specifically designed for cold water applications—perfect for modern, efficient plumbing solutions.
- • **Universal 1/2" Threaded Fit:** Seamlessly integrates with standard plumbing setups via male NPT and female FPT connections.
- • **Certified Safety & Compliance:** IAMPO and NSF/ANSI 372 certified, ensuring lead-free, eco-conscious performance.

## Overview

The Merrill MFG PRVNL50 is a 1/2" no-lead pressure relief valve crafted from durable brass with stainless steel springs, designed to protect cold water systems by safely relieving pressure up to 75 PSI. Featuring standard 1/2" NPT threaded connections and certified by IAMPO and NSF/ANSI 372, it ensures compliance and reliability for professional-grade plumbing installations.

## Description

Merrill MFG PRVNL50 1/2" Pressure Relief Valve, Brass: desertcart.com: Industrial & Scientific

## Features

- Pressure relief valves are for protection against excessive pressure
- 1/2 in. male NPT x 1/2 in. female FPT
- Brass with stainless steel control springs - IAMPO Certified
- 1/2" Line Connection, 75 PSI
- Not for use with water heaters - Cold water systems only
- CALIFORNIA PROP 65 WARNING: Product may expose you to chemicals known to the State of California to cause cancer and reproductive harm. See P65Warnings.ca.gov for details

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08GD12QV5 |
| Best Sellers Rank | #38,481 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #23 in Relief Valves |
| Brand Name | Merrill |
| Connector Type | Threaded |
| Customer Reviews | 4.6 4.6 out of 5 stars (205) |
| Exterior Finish | Brass |
| Inlet Connection Size | 0.5 inches |
| Inlet Connection Type | National Pipe Tapered |
| Manufacturer | Merrill Manufacturing Company |
| Manufacturer Part Number | PRVNL50-A |
| Material Type | Brass |
| Maximum Pressure | 75 psi |
| Model Number | PRVNL50-A |
| Number of Items | 1 |
| Number of Pieces | 1 |
| Number of Ports | 1 |
| Outlet Connection Size | 0.5 inches |
| Outlet Connection Type | MNPT |
| Size | 1/2 inch |
| Specification Met | IAMPO, NSF/ANSI 372, AB 1953 |
| Thread Size | 1/2 inches |
| Thread Type | National Pipe Thread |
| UPC | 642367450519 |
| Unit Count | 1 Count |
| Valve Type | Pressure Relief Valve |

## Product Details

- **Brand:** Merrill
- **Exterior Finish:** Brass
- **Inlet Connection Size:** 0.5 inches
- **Inlet Connection Type:** National Pipe Tapered
- **Material:** Brass
- **Maximum Operating Pressure:** 75 psi
- **Number of Ports:** 1
- **Outlet Connection Size:** 0.5 inches
- **Outlet Connection Type:** MNPT
- **Specification Met:** IAMPO, NSF/ANSI 372, AB 1953

## Images

![Merrill MFG PRVNL50 1/2" Pressure Relief Valve, Brass - Image 1](https://m.media-amazon.com/images/I/314GOvz6pML.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- Merrill MFG PRVNL50 1/2" No-Lead Pressure Relief Valve, Brass
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- SENCTRL 100 Psi Lead-Free Glycerin Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Home Potable Water Pump, Air, Well, RV Hose, Pressure Test

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**Shop now:** [https://www.desertcart.kr/products/261832467-merrill-mfg-prvnl50-1-2-pressure-relief-valve-brass](https://www.desertcart.kr/products/261832467-merrill-mfg-prvnl50-1-2-pressure-relief-valve-brass)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-10-14*