---
product_id: 320329169
title: "Raincovo Downstream Injector for Pressure Washer, Power Washer Chemical Injector Kit, Soap Injector, 3/8 Inch Quick Connect, 4000 PSI"
brand: "raincovo"
price: "€ 48.73"
currency: EUR
in_stock: true
reviews_count: 5
category: "Raincovo"
url: https://www.desertcart.sk/products/320329169-raincovo-downstream-injector-for-pressure-washer-power-washer-chemical-injector
store_origin: SK
region: Slovakia
---

# Adjustable soap dilution valve 3/8 inch quick connect 4000 PSI max pressure Raincovo Downstream Injector for Pressure Washer, Power Washer Chemical Injector Kit, Soap Injector, 3/8 Inch Quick Connect, 4000 PSI

**Brand:** raincovo
**Price:** € 48.73
**Availability:** ✅ In Stock

## Summary

> 💦 Elevate your clean game—inject power, precision, and protection!

## Quick Answers

- **What is this?** Raincovo Downstream Injector for Pressure Washer, Power Washer Chemical Injector Kit, Soap Injector, 3/8 Inch Quick Connect, 4000 PSI by raincovo
- **How much does it cost?** € 48.73 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/320329169-raincovo-downstream-injector-for-pressure-washer-power-washer-chemical-injector)

## Best For

- raincovo enthusiasts

## Why This Product

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

## Key Features

- • **Durable Build:** High-quality PVC siphon hose and brass/stainless steel adapter ensure longevity under pressure.
- • **Effortless Setup:** Complete kit with 10 ft siphon hose, filter, soap nozzle, and Teflon tape for instant use.
- • **Pump-Safe Design:** Detergent bypass protects your pressure washer pump from harsh chemicals.
- • **Universal Compatibility:** 3/8 inch quick connect fits most electric and gas pressure washers seamlessly.
- • **Precision Chemical Control:** Metering valve lets you customize soap-to-water ratio for spotless cleaning.

## Overview

The Raincovo Downstream Injector is a robust chemical injector kit designed for pressure washers up to 4000 PSI. Featuring a 3/8 inch quick connect, adjustable metering valve, and durable PVC and brass components, it ensures efficient, pump-safe detergent application with universal compatibility for most electric and gas washers.

## Description

International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

Review: Included tip does not fit the supplied quick connects. Supplied quick connects do not fit standard pressure washers.
Review: Great product. Just as described.

## Features

- Package: Kit Includes chemical injector, 10 feet siphon hose, filter, black nozzle soap with 1/4” quick connect and teflon tape.
- Application: When detergent is sucked out separately, the chemical will not pass through the pump, you could use a variety of chemicals without damaging the pump.
- Characteristic: Chemical injector kit with a metering valve, which can adjust dilution ratio of soap and water. Avoid clogging of the injector and improve the efficiency of pressure washer.
- Connector: Downstream Injector has 3/8 inch quick connect. Fits most electric and gas power washer. It's connected between the pressure washer pump and the pressure washer hose.
- Material: Siphon hose is made of high-quality PVC, used for hot and cold water (32°F to 122°F). Adapter is made of brass and stainless steel. Max pressure is 4000 PSI. Flow rate is 2 to 5 GPM.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08SW7JZTL |
| ASIN  | B08SW7JZTL |
| Batteries Required? | No |
| Customer Reviews | 3.9 3.9 out of 5 stars (974) |
| Customer reviews | 3.9 3.9 out of 5 stars (974) |
| Date First Available | 21 February 2021 |
| Date First Available  | 21 February 2021 |
| Item Package Quantity | 1 |
| Item Weight | 508 g |
| Item model number | ROF8W58 |
| Item model number  | ROF8W58 |
| Manufacturer | Raincovo |
| Manufacturer  | Raincovo |
| Material | Polyvinyl Chloride (PVC) |
| Maximum Pressure | 4000 Pound per Square Inch |
| Power source type | Corded Electric |
| Product Dimensions | 15.49 x 15.49 x 5.59 cm; 508 g |
| Product Dimensions  | 15.49 x 15.49 x 5.59 cm; 508 g |

## Product Details

- **Brand:** Raincovo
- **Exterior finish:** Stainless Steel
- **Inlet connection size:** 0.38 Inches
- **Item dimensions L x W x H:** 15.5 x 15.5 x 5.6 centimeters
- **Material:** Polyvinyl Chloride (PVC)

## Images

![Raincovo Downstream Injector for Pressure Washer, Power Washer Chemical Injector Kit, Soap Injector, 3/8 Inch Quick Connect, 4000 PSI - Image 1](https://m.media-amazon.com/images/I/717D5w1V5PL.jpg)

## Customer Reviews

### ⭐ Review
*by C***S on 10 February 2024*

Included tip does not fit the supplied quick connects. Supplied quick connects do not fit standard pressure washers.

### ⭐⭐⭐⭐⭐ Review
*by R***N on 6 March 2023*

Great product. Just as described.

### ⭐⭐⭐⭐⭐ Review
*by P***N on 7 January 2026*

This worked with a 3gpm pressure washer that I use for softwashing. I keep a spare in my box. It will rust up inside so I blow it out to dry inside if it's going to set awhile.

## Frequently Bought Together

- Raincovo Downstream Injector for Pressure Washer, Power Washer Chemical Injector Kit, Soap Injector, 3/8 Inch Quick Connect, 4000 PSI
- M MINGLE Ball Valve Pressure Washer, 3/8" Quick Connect Ball Valve for Power Washer Hose, 5000 PSI
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**Shop now:** [https://www.desertcart.sk/products/320329169-raincovo-downstream-injector-for-pressure-washer-power-washer-chemical-injector](https://www.desertcart.sk/products/320329169-raincovo-downstream-injector-for-pressure-washer-power-washer-chemical-injector)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-02*