---
product_id: 14834967
title: "SP8346 Temperature and Pressure Relief Valve with 3/4-Inch NPT, Small"
brand: "rheem"
price: "$43.83"
currency: USD
in_stock: true
reviews_count: 12
url: https://www.desertcart.us/products/14834967-sp8346-temperature-and-pressure-relief-valve-with-3-4-inch
store_origin: US
region: United States of America
---

# 3/4-Inch NPT Thread Max Pressure 150 psi Max Temp 210°F SP8346 Temperature and Pressure Relief Valve with 3/4-Inch NPT, Small

**Brand:** rheem
**Price:** $43.83
**Availability:** ✅ In Stock

## Summary

> 🌡️ Stay cool, stay safe — the Rheem SP8346 has your back!

## Quick Answers

- **What is this?** SP8346 Temperature and Pressure Relief Valve with 3/4-Inch NPT, Small by rheem
- **How much does it cost?** $43.83 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/14834967-sp8346-temperature-and-pressure-relief-valve-with-3-4-inch)

## Best For

- rheem enthusiasts

## Why This Product

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

## Key Features

- • **Precision Safety Control:** Engineered to release excess heat and pressure at exact thresholds, ensuring your water heater runs safely and efficiently.
- • **Compact & Efficient Design:** Small footprint (7-1/4 inches length) fits tight spaces without compromising on safety or function.
- • **Universal 3/4-Inch NPT Fit:** Seamlessly compatible with most Rheem water heaters for a hassle-free, professional-grade installation.
- • **Optimized for Rheem Systems:** Designed specifically for Rheem units, maximizing reliability and maintaining warranty integrity.
- • **Durable Stainless Steel Build:** Corrosion-resistant metal construction guarantees long-lasting performance and peace of mind.

## Overview

The Rheem SP8346 Temperature and Pressure Relief Valve is a compact, stainless steel safety device designed to protect your water heater by releasing excess heat and pressure at 210°F and 150 psi. Featuring a universal 3/4-inch NPT inlet and outlet, it ensures easy installation and reliable performance, especially when paired with Rheem water heaters. Trusted by professionals and homeowners alike, this valve combines durability with precision engineering to keep your system running safely and efficiently.

## Description

Product Description Rheem SP8346 Temperature and Pressure Relief Valve with 3/4-Inch NPT, Small From the Manufacturer Rheem is a leading provider of gas furnaces, heat pumps, air conditioners, air handlers, indoor air quality products, gas and electric water heaters.

Review: Well priced quality unit - Works great! Easy swap out. Quality built and have had no problems with it since installation.
Review: Five Stars for Working Perfect - Worked perfectly for my Rheem hot water tank.

## Features

- For best results, use only Rheem replacement parts for repairing your Rheem Water Heater
- Maximum Temperature Setting (Deg. F): 210, Maximum Pressure Setting (psi): 150, CSA Capacity (BTU/HR): 105,000, Inlet Thread Size - NPT (in.): 3/4
- Outlet Thread Size - NPT (in.): 3/4, Overall Length (in.): 7-1/4, Body Length (in.): 4-1/4, Sensor Length (in.): 3
- Kits which contain this part: 45W510, SP13266

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B009AX2ULU |
| Batteries Required? | No |
| Best Sellers Rank | #257,600 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #638 in Water Heater Replacement Parts #46,068 in Parts & Accessories |
| Brand | Rheem |
| Customer Reviews | 4.5 4.5 out of 5 stars (361) |
| Date First Available | September 14, 2012 |
| Exterior Finish | Stainless Steel |
| Global Trade Identification Number | 00020352436364 |
| Inlet Connection Size | 0.75 Inches |
| Inlet Connection Type | National Pipe Tapered |
| Item Package Quantity | 1 |
| Item Weight | 7.8 ounces |
| Item dimensions L x W x H | 1 x 1.2 x 0.2 inches |
| Item model number | SP8346 |
| Manufacturer | Rheem |
| Material | Metal |
| Maximum Operating Pressure | 150 Pound per Square Inch |
| Number of Ports | 2 |
| Outlet Connection Size | 0.75 Inches |
| Outlet Connection Type | NPT |
| Part Number | SP8346 |
| Product Dimensions | 1 x 1.2 x 0.2 inches |
| Size | Small |
| Thickness | 1 Inches |
| UPC | 020352436364 |

## Product Details

- **Brand:** Rheem
- **Exterior Finish:** Stainless Steel
- **Inlet Connection Size:** 0.75 Inches
- **Inlet Connection Type:** National Pipe Tapered
- **Item dimensions L x W x H:** 1 x 1.2 x 0.2 inches
- **Material:** Metal
- **Maximum Operating Pressure:** 150 Pound per Square Inch
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.75 Inches
- **Outlet Connection Type:** NPT

## Images

![SP8346 Temperature and Pressure Relief Valve with 3/4-Inch NPT, Small - Image 1](https://m.media-amazon.com/images/I/71OLfhderML.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Well priced quality unit
*by G***E on June 19, 2025*

Works great! Easy swap out. Quality built and have had no problems with it since installation.

### ⭐⭐⭐⭐⭐ Five Stars for Working Perfect
*by C***N on October 3, 2025*

Worked perfectly for my Rheem hot water tank.

### ⭐⭐⭐⭐⭐ good price and quality.
*by A***R on October 10, 2025*

Good quality.

## Frequently Bought Together

- Rheem Temperature and Pressure Relief Valve SP8346, Small
- Rheem SP12574 Temperature and Pressure Relief Valve,Small
- Cash Acme 3/4 Inch NCLX-5L Temperature and Pressure Relief Valve, Push to Connect Brass Plumbing Fittings, Copper, CPVC Pipe, 150 PSI, 18821-0150

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-26*