---
product_id: 42043948
title: "TRV38-1AK Thermal Relief Valve 3/8\" Npt"
brand: "american hydro clean"
price: "AR$4924"
currency: ARS
in_stock: false
reviews_count: 6
url: https://www.desertcart.com.ar/products/42043948-trv38-1ak-thermal-relief-valve-3-8-npt
store_origin: AR
region: Argentina
---

# Flow directing cap 200 PSI max pressure 140° opening temp TRV38-1AK Thermal Relief Valve 3/8" Npt

**Brand:** american hydro clean
**Price:** AR$4924
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Keep Your Cool: The Essential Valve for Every Pressure Washer Pro!

## Quick Answers

- **What is this?** TRV38-1AK Thermal Relief Valve 3/8" Npt by american hydro clean
- **How much does it cost?** AR$4924 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/42043948-trv38-1ak-thermal-relief-valve-3-8-npt)

## Best For

- american hydro clean enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Protects your pressure washer pump from damage during extended use.
- • **Built to Last:** Crafted from durable brass for long-lasting performance.
- • **Effortless Installation:** Designed for easy mounting on low-pressure inlets.
- • **Optimal Flow Management:** Includes a flow directing cap for efficient operation.
- • **Stay Cool Under Pressure:** Prevents overheating with a smart 140° activation.

## Overview

The TRV38-1AK Thermal Relief Valve is a crucial component for pressure washer pumps, designed to prevent overheating by discharging hot water at 140°F. With a maximum pressure rating of 200 PSI and constructed from durable brass, this valve ensures reliable performance and easy installation, making it a must-have for any professional or DIY enthusiast.

## Description

American Hydro Clean 3/8 inch NPT Thermal Relief Valves keeps pressure washer pumps operating in a safe range to prevent overheating. When water temperatures reach above 145º F, pump seals may fail. The thermal relief valve opens to release hot water and allow cold water to enter the pump so it continues to operate at a safe temperature. Should the pump ever overheat, the thermal relief valves must be replaced.

## Features

- Thermal Relief Valve is used to prevent a Pressure Washer Pump from overheating If running in bypass for extended periods of time
- Valve opens at 140° discharging hot water from pump and allows cool water in
- Max. Pressure 200 PSI (valve is mounted to low pressure inlet of pumps)
- Item is made of Brass
- Includes flow directing cap

## Images

![TRV38-1AK Thermal Relief Valve 3/8" Npt - Image 1](https://m.media-amazon.com/images/I/61qJ5F3N6rL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Fit as advertised
  

*by D***S on Reviewed in the United States on August 8, 2023*

It’s is well made

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Excellent value and quality manufacturing
  

*by A***R on Reviewed in the United States on July 28, 2023*

Perfect replacement for my Simpson Pressure washer

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Just as described
  

*by N***N on Reviewed in the United States on December 17, 2020*

Just as described!

---

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**Shop now:** [https://www.desertcart.com.ar/products/42043948-trv38-1ak-thermal-relief-valve-3-8-npt](https://www.desertcart.com.ar/products/42043948-trv38-1ak-thermal-relief-valve-3-8-npt)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-03-04*