---
product_id: 280423279
title: "Sea Tech (0121325 1/2\" Temperature and Pressure Relief Valve"
brand: "sea tech"
price: "€ 134.74"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/280423279-sea-tech-0121325-1-2-temperature-and-pressure-relief-valve
store_origin: NL
region: Netherlands
---

# 150 PSI 15,000 BTU Lead Free Sea Tech (0121325 1/2" Temperature and Pressure Relief Valve

**Brand:** sea tech
**Price:** € 134.74
**Availability:** ✅ In Stock

## Summary

> 🔒 Secure Your Peace of Mind with Every Drop!

## Quick Answers

- **What is this?** Sea Tech (0121325 1/2" Temperature and Pressure Relief Valve by sea tech
- **How much does it cost?** € 134.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/280423279-sea-tech-0121325-1-2-temperature-and-pressure-relief-valve)

## Best For

- sea tech enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Preset at 150 PSI to protect your systems from pressure overload.
- • **High Capacity:** 1/2 inch valve rated for 15,000 BTU, perfect for your demanding applications.
- • **Durable Design:** Crafted with an all-brass body and stainless steel spring for long-lasting performance.
- • **Precision Engineering:** Experience the reliability of a thermostat that's positive, accurate, and proven.
- • **Mineral Deposit Defense:** Unique thermo-bonded coating prevents mineral buildup, ensuring optimal functionality.

## Overview

The Sea Tech 0121325 1/2" Temperature and Pressure Relief Valve is engineered for safety and efficiency, featuring a durable brass body, stainless steel spring, and a unique thermostat designed to prevent mineral deposits. With a preset pressure of 150 PSI and a BTU rating of 15,000, this lead-free valve is the perfect choice for reliable temperature and pressure management in your systems.

## Description

Sea Tech (0121325 1/2" Temperature and Pressure Relief Valve

## Features

- Temperature and Pressure Relief Valve - Self-closing temperature and pressure relief valves
- All brass body; 150 PSI
- Stainless steel spring
- Thermostat is positive, accurate and proven
- A unique thermostat with special thermo-bonded protective coating to prevent accumulations of mineral deposits, Valves are preset at 150 pounds; The 1/2 inch valve has a 15,000 BTU rating; the 3/4 inch is 80,000 BTU, 63871, 1/2 inch Relief Valve, Lead Free

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Sea Tech |
| Brand | SEA TECH |
| Model | 0121325 |
| Product Dimensions | 6.35 x 3.48 x 19.69 cm; 249 g |
| Item model number | 0121325 |
| Exterior | Copper |
| Manufacturer Part Number | 0121325 |
| Item Weight | 249 g |

## Product Details

- **Material:** Lead Free Copper Silicon Alloy
- **Brand:** SEA TECH
- **Item dimensions L x W x H:** 2.5 x 1.37 x 7.75 inches
- **Exterior Finish:** Copper
- **Inlet Connection Type:** National Pipe Tapered
- **Outlet Connection Type:** FNPT
- **Maximum Operating Pressure:** 1.5E+2 Pound per Square Inch
- **Number of Ports:** 2
- **Outlet Connection Size:** 1.37 Inches
- **Specification Met:** ASME BPVC, ASME, ANSI

## Images

![Sea Tech (0121325 1/2" Temperature and Pressure Relief Valve - Image 1](https://m.media-amazon.com/images/I/41izmFlBk2L.jpg)
![Sea Tech (0121325 1/2" Temperature and Pressure Relief Valve - Image 2](https://m.media-amazon.com/images/I/41b+GjPjJEL.jpg)

## Questions & Answers

**Q: 1. Is this the lead free version? 2. The thermostat, which doesn't show in the picture, is 4 inches long.  Mine is only 3 inches, would this one work?**
A: #1 Not sure.    #2 , 3 inches should work

## Frequently Bought Together

- Sea Tech (0121325 1/2" Temperature and Pressure Relief Valve
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**Shop now:** [https://www.desertcart.nl/products/280423279-sea-tech-0121325-1-2-temperature-and-pressure-relief-valve](https://www.desertcart.nl/products/280423279-sea-tech-0121325-1-2-temperature-and-pressure-relief-valve)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-16*