---
product_id: 105014121
title: "24hr Mechanical Timer for Immersion Heating and Lighting - Supplied with Back Box - APT IMM24"
brand: "best price square"
price: "C$8872"
currency: NIO
in_stock: true
reviews_count: 8
url: https://www.desertcart.ni/products/105014121-24hr-mechanical-timer-for-immersion-heating-and-lighting-supplied-back
store_origin: NI
region: Nicaragua
---

# 24hr timer 3500W power 1 gang backbox 24hr Mechanical Timer for Immersion Heating and Lighting - Supplied with Back Box - APT IMM24

**Brand:** best price square
**Price:** C$8872
**Availability:** ✅ In Stock

## Summary

> ⏳ Time is on your side with our 24hr Mechanical Timer!

## Quick Answers

- **What is this?** 24hr Mechanical Timer for Immersion Heating and Lighting - Supplied with Back Box - APT IMM24 by best price square
- **How much does it cost?** C$8872 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/105014121-24hr-mechanical-timer-for-immersion-heating-and-lighting-supplied-back)

## Best For

- best price square enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Convenient:** Includes a standard backbox for easy installation and cable management.
- • **Powerful Performance:** Handles up to 3500W, perfect for immersion heaters and more.
- • **User-Friendly Design:** Easily switch between timer and manual modes with a simple dial.
- • **Effortless Scheduling:** Set your heating and lighting with precision using 30-minute increments.
- • **Integrated Indicator Light:** Stay informed with a clear light that shows when the timer is active.

## Overview

The APT IMM24 is a versatile 24-hour mechanical timer designed for immersion heating and general lighting applications. With a robust capacity of 3500W and a user-friendly interface featuring 30-minute increments, this timer allows for precise scheduling. It includes an integrated backbox for easy installation and a clear indicator light to show when the timer is active, making it an essential tool for efficient energy management.

## Description

24hr Mechanical Timer for Immersion Heating and Lighting - Supplied with Back Box - APT IMM24

## Features

- 1 x 24 hour timeswitch for immersion heater or general purpose use
- 16.1 Amp Resistive (3500W) - 4A Inductive
- 24 hour mechanical timer with 30 minute increments - Each tab on the dial represents 30 minutes
- Can be set to 'Clock' which uses the timer function, or overridden to 'On' or 'Off' - Indicator light comes to show when timer is on
- Standard sized 1 gang backbox with integral cable clamps included

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | electro replacement ltd |
| Part Number | part_B001XQ5ZMS |
| Package Dimensions | 12 x 9.8 x 8.8 cm; 225 g |
| Item model number | part_B001XQ5ZMS |
| Colour | White |
| Material | Plastic |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 225 g |

## Product Details

- **Colour:** White
- **Brand:** Best Price Square
- **Material:** Plastic
- **Item weight:** 225 Grams
- **Number of settings:** 48

## Images

![24hr Mechanical Timer for Immersion Heating and Lighting - Supplied with Back Box - APT IMM24 - Image 1](https://m.media-amazon.com/images/I/81PeNzDwYQL.jpg)
![24hr Mechanical Timer for Immersion Heating and Lighting - Supplied with Back Box - APT IMM24 - Image 2](https://m.media-amazon.com/images/I/81ulViVbkwL.jpg)
![24hr Mechanical Timer for Immersion Heating and Lighting - Supplied with Back Box - APT IMM24 - Image 3](https://m.media-amazon.com/images/I/91GXM4UB8GL.jpg)
![24hr Mechanical Timer for Immersion Heating and Lighting - Supplied with Back Box - APT IMM24 - Image 4](https://m.media-amazon.com/images/I/91sDTBTGHIL.jpg)
![24hr Mechanical Timer for Immersion Heating and Lighting - Supplied with Back Box - APT IMM24 - Image 5](https://m.media-amazon.com/images/I/81cMAd6OHkL.jpg)

## Questions & Answers

**Q: Is the timer plugged in**
A: The circuit diagram that comes with this timer is wrong. Get an electrician to wire it up for you. Using the diagram, the clock ring works but the power does not go on and off. Get professional help or send it back!

**Q: Can i buy a protective cover for the imm24 24hr socket box?**
A: Don't buy apt one . Sliding switch fell out after 11months. 
Buy this Timeguard NTT03 24-Hour/7-Day
Been fitted for 2 years no issues. I don't know what covers are available

**Q: Does thus work on oil central heating**
A: The 1 I had was nearly 30years old and gave up, I bought this as a replacement, it's used to time my oil, it works perfectly and easily fitted.

**Q: What are the actual dimensions of the socket plate, not the packaging dimensions as stated in the Product Detail?**
A: Exact same dimensions as a standard three pin electric socket with two screws.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Most reliable and simple to use
*by L***R on 18 April 2025*

These are not the cheapest but most reliable imo and come with a back box. They stick out a lot but are quite good looking.Being analogue you don’t have to do any programming. So anyone can use them.

### ⭐⭐⭐⭐⭐ Working well
*by A***R on 9 January 2025*

Used for outdoor Christmas lights.hopefully will last longer than the one this timer replaced ; it quit working after a fortnight

### ⭐⭐⭐⭐ Goodish
*by J***R on 29 October 2024*

Worked well after 1 1/2 year clock has stoped going round can use manually but no timer now

## Frequently Bought Together

- 24hr Mechanical Timer for Immersion Heating and Lighting - Supplied with Back Box - APT IMM24
- SPARES2GO Energy Saving 15 Minute to 2 Hour Electronic Boost Timer for Immersion/Room Heater

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-02-23*