---
product_id: 64686786
title: "SPDT R3/4 Thread Paddle Type Liquid Water Oil Sensor Switch Automatic Control 15A 250V HFS-20"
brand: "walfront"
price: "RM255"
currency: MYR
in_stock: true
url: https://www.desertcart.com.my/products/64686786-spdt-r3-4-thread-paddle-type-liquid-water-oil-sensor
store_origin: MY
region: Malaysia
---

# 15A capacity 100,000 cycles IP54 protection SPDT R3/4 Thread Paddle Type Liquid Water Oil Sensor Switch Automatic Control 15A 250V HFS-20

**Brand:** walfront
**Price:** RM255
**Availability:** ✅ In Stock

## Summary

> 💡 Control Your Flow, Elevate Your Game!

## Quick Answers

- **What is this?** SPDT R3/4 Thread Paddle Type Liquid Water Oil Sensor Switch Automatic Control 15A 250V HFS-20 by walfront
- **How much does it cost?** RM255 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/64686786-spdt-r3-4-thread-paddle-type-liquid-water-oil-sensor)

## Best For

- walfront enthusiasts

## Why This Product

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

## Key Features

- • **Robust Durability:** Built to last with a lifespan of up to 100,000 cycles.
- • **Automatic Efficiency:** Smart switching for optimal circuit management.
- • **Precision Performance:** Adjustable flow control for tailored operation.
- • **Seamless Flow Control:** Effortlessly manage liquid flow in various systems.
- • **Versatile Compatibility:** Works with water, oil, and non-hazardous liquids.

## Overview

The SPDT R3/4 Thread Paddle Type Liquid Water Oil Sensor Switch is an advanced automatic control device designed for efficient flow management in various applications, including water treatment and HVAC systems. With a robust IP54 rating and a lifespan of up to 100,000 cycles, this switch ensures reliable performance and versatility across multiple fluid types.

## Description

SPDT R3/4 Thread Paddle Type Liquid Water Oil Sensor Switch Automatic Control 15A 250V HFS-20

## Features

- Extensive Use ---This flow switch is an automatic element that controls flow in pipes, which can be used on water treatment system, central air-conditioning, water cooled chiller and relative industries
- Subject Range --- Applicable fluid includes water, ethylene glycol, oil or other liquid not classified as hazardous or corrosive and air
- Good Performance --- Flow control value is adjustable, repeat action point is stable
- Automatic Control --- When flow rate exceeds set value, fluid drives blade and micro switch, the SPDT contact can connect a circuit and disconnect other circuit
- Good Durability --- Protection grade is IP54; the contactor life is up to 100,000 times

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Walfront |
| Part Number | Walfront30oi51kbw2 |
| Product Dimensions | 13 x 7 x 8 cm; 400 g |
| Item model number | RLSB5503 |
| Voltage | 1 Volts |
| Item Package Quantity | 1 |
| Switch Type | 1-way |
| Plug profile | Pipeline Mount |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 400 g |

## Product Details

- **Operation mode:** automatic
- **Operating voltage:** 250 Volts
- **Contact type:** SPDT
- **Connector type:** screw
- **Brand:** Walfront
- **Terminal:** SPDT
- **Item dimensions L x W x H:** 13 x 7 x 8 centimetres
- **Circuit type:** 1-way
- **Mounting type:** Pipeline Mount
- **Actuator type:** Plunger

## Images

![SPDT R3/4 Thread Paddle Type Liquid Water Oil Sensor Switch Automatic Control 15A 250V HFS-20 - Image 1](https://m.media-amazon.com/images/I/61J8AOEV+CL.jpg)

## Frequently Bought Together

- SPDT R3/4 Thread Paddle Type Liquid Water Oil Flow Sensor Switch Automatic Control 15A 250V HFS-20
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**Shop now:** [https://www.desertcart.com.my/products/64686786-spdt-r3-4-thread-paddle-type-liquid-water-oil-sensor](https://www.desertcart.com.my/products/64686786-spdt-r3-4-thread-paddle-type-liquid-water-oil-sensor)

---

*Product available on Desertcart Malaysia*
*Store origin: MY*
*Last updated: 2026-03-10*