---
product_id: 346839334
title: "Watts LFN45B Lead-Free Water Pressure Reducing Valve 3/4\" Solder Union"
brand: "watts"
price: "312517CFA"
currency: XOF
in_stock: true
category: "Watts"
url: https://www.desertcart.sn/products/346839334-watts-lfn45b-lead-free-water-pressure-reducing-valve-3-4
store_origin: SN
region: Senegal
---

# Thermal expansion bypass included Adjustable pressure 25-75 psi Lead-free brass body for safety Watts LFN45B Lead-Free Water Pressure Reducing Valve 3/4" Solder Union

**Brand:** watts
**Price:** 312517CFA
**Availability:** ✅ In Stock

## Summary

> 💧 Control your flow, protect your home — pressure perfected.

## Quick Answers

- **What is this?** Watts LFN45B Lead-Free Water Pressure Reducing Valve 3/4" Solder Union by watts
- **How much does it cost?** 312517CFA 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/346839334-watts-lfn45b-lead-free-water-pressure-reducing-valve-3-4)

## 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 Assurance:** Constructed with lead-free brass to ensure clean, safe water for your home or business.
- • **Precision Pressure Control:** Customize water pressure from 25 to 75 psi for optimal plumbing protection and efficiency.
- • **Thermal Expansion Protection:** Built-in bypass prevents damage from temperature fluctuations, extending system lifespan.
- • **Robust & Reliable Performance:** Operates up to 400 psi and temperatures from 33°F to 180°F, perfect for diverse applications.
- • **Effortless Installation & Maintenance:** Double union solder connections and removable stainless steel strainer simplify setup and upkeep.

## Overview

The Watts LFN45B 3/4" Lead-Free Water Pressure Reducing Valve offers adjustable pressure control (25-75 psi) with a durable lead-free brass body and stainless steel strainer. Designed for easy installation and maintenance, it includes a thermal expansion bypass to safeguard plumbing systems under pressures up to 400 psi and temperatures from 33°F to 180°F, making it ideal for commercial, industrial, and residential use.

## Description

This 3/4 inch water pressure reducing valve is designed to reduce incoming water pressure to protect plumbing systems and reduce water consumption for commercial, industrial and residential applications. The easy maintenance assembly consists of a lead free brass body construction, double union solder inlet and outlet connection, stainless steel integral strainer, thermoplastic seat module, thermal expansion bypass and a sealed spring cage for waterworks pit installations. The temperature range is 33 to 180 degrees F (0.5 to 82 degrees C). Suitable for up to 400 psi (27.6 bar), the pressure range can be adjusted from 25 to 75 psi (172 to 517 kPa) with the standard setting at 50 psi (345 kPa).

## Features

- LEAD-FREE WATER PRESSURE REDUCTION: The Watts 3/4" Lead-Free Water Pressure Reducing Valve reduces incoming water pressure to protect plumbing systems and reduce water consumption in commercial, industrial, and residential applications. This assembly includes a removable integral stainless steel strainer, thermoplastic seat module, thermal expansion bypass, and a sealed spring case for waterwork pit installations.
- EASY INSTALLATION AND MAINTENANCE: This lead-free water pressure reducing valve is designed for straightforward installation with easy handling and in-line serviceability, featuring double union solder inlet and outlet connections that simplify the installation process.
- THERMAL EXPANSION PROTECTION: The valve includes a bypass feature that effectively controls thermal expansion pressure, preventing potential damage to the plumbing system. It has an operating temperature range of 33 degreesF (0.5 degrees C) to 180 degreesF (0.5 degrees C).
- VERSATILE PRESSURE ADJUSTMENT: This valve is suitable for pressures up to 400 psi (27.6 bar) and allows for an adjustable pressure range between 25 to 75 psi (172 to 517 kPa), with a standard setting at 50 psi (345 kPa). This allows for user customization in order to fit to fit your specific needs.
- EVERY DROP COUNTS: Water. It's in our name and close to our hearts. Since 1874, Watts Water Technologies has been delivering innovative technologies that make the world's most precious resource safe and accessible. Everything we design is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers. Our family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00LO3F30O |
| Best Sellers Rank | #19,439 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #39 in Relief Valves |
| Brand Name | Watts |
| Connector Type | Union |
| Customer Reviews | 4.6 4.6 out of 5 stars (120) |
| Exterior Finish | Stainless Steel |
| Global Trade Identification Number | 00098268332469 |
| Included Components | Valve |
| Inlet Connection Size | 0.75 inches |
| Inlet Connection Type | Solder |
| Item Dimensions | 2.44 x 5.63 x 7.38 inches |
| Item Type Name | Lead Free, Water Pressure Reducing Valve |
| Item Weight | 2.1 pounds |
| Manufacturer | Watts |
| Manufacturer Part Number | 9481 |
| Material Type | Stainless Steel,Lead |
| Maximum Pressure | 300 psi |
| Model Number | LFN45BM1-DU-S |
| Number of Items | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.75 inches |
| Outlet Connection Type | Union Joint |
| Size | 3/4 Inch |
| Specification Met | NSF/ANSI 61 |
| Thread Size | 3/4 inch |
| UPC | 098268332469 |
| Unit Count | 1 Count |
| Valve Type | water pressure reducing valve |

## Product Details

- **Brand:** Watts
- **Exterior Finish:** Stainless Steel
- **Inlet Connection Size:** 0.75 inches
- **Inlet Connection Type:** Solder
- **Item dimensions L x W x H:** 2.44 x 5.63 x 7.38 inches
- **Material:** Stainless Steel,Lead
- **Maximum Operating Pressure:** 300 psi
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.75 inches
- **Outlet Connection Type:** Union Joint

## Images

![Watts LFN45B Lead-Free Water Pressure Reducing Valve 3/4" Solder Union - Image 1](https://m.media-amazon.com/images/I/418HgSF5xkL.jpg)
![Watts LFN45B Lead-Free Water Pressure Reducing Valve 3/4" Solder Union - Image 2](https://m.media-amazon.com/images/I/31gvu0NkHWL.jpg)
![Watts LFN45B Lead-Free Water Pressure Reducing Valve 3/4" Solder Union - Image 3](https://m.media-amazon.com/images/I/41-rvLVBKuL.jpg)
![Watts LFN45B Lead-Free Water Pressure Reducing Valve 3/4" Solder Union - Image 4](https://m.media-amazon.com/images/I/31zp-CshavL.jpg)
![Watts LFN45B Lead-Free Water Pressure Reducing Valve 3/4" Solder Union - Image 5](https://m.media-amazon.com/images/I/41uD4cl1LFL.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Frequently Bought Together

- Watts LFN45B Series 3/4" Lead-Free Cast Copper Silicon Alloy Water Pressure Reducing Valve, Double Union Solder Inlet and Outlet, Elastomer Disc, Adjustable Pressure 25 to 75 psi, Maximum 400 psi
- MEASUREMAN 0-200 PSI Water Pressure Gauge, 2-1/2'' Dial, Hose bib Pressure Gauge, Home Water Pressure Tester, Durable 3/4” Hose Thread, Water Pressure Gauge for Home

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-08-26*