---
product_id: 57932313
title: "45FG20AJ - ClimaTek Upgraded 2 Pole Conderser Contact fits Siemens, Furnas"
brand: "climatek"
price: "€ 39.83"
currency: EUR
in_stock: true
reviews_count: 1
category: "Clima Tek"
url: https://www.desertcart.hr/products/57932313-45fg20aj-climatek-upgraded-2-pole-conderser-contact-fits-siemens-furnas
store_origin: HR
region: Croatia
---

# 40 Amp Heavy Duty Power 2 Pole Double Contact 24V Coil Compatibility 45FG20AJ - ClimaTek Upgraded 2 Pole Conderser Contact fits Siemens, Furnas

**Brand:** climatek
**Price:** € 39.83
**Availability:** ✅ In Stock

## Summary

> ⚡ Power Up Your HVAC Game with ClimaTek’s Heavy-Duty Contact! ⚡

## Quick Answers

- **What is this?** 45FG20AJ - ClimaTek Upgraded 2 Pole Conderser Contact fits Siemens, Furnas by climatek
- **How much does it cost?** € 39.83 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/57932313-45fg20aj-climatek-upgraded-2-pole-conderser-contact-fits-siemens-furnas)

## Best For

- climatek enthusiasts

## Why This Product

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

## Key Features

- • **Lightweight Yet Robust:** At just 11 ounces, it combines durability with easy installation, minimizing downtime.
- • **Universal 24V Coil Compatibility:** Seamlessly fits 99% of residential units, ensuring hassle-free upgrades and replacements.
- • **Unmatched Heavy-Duty Performance:** Handles up to 40 Amps for reliable, long-lasting operation in demanding residential HVAC systems.
- • **Dual-Pole Design for Enhanced Control:** Double pole configuration delivers superior switching efficiency and safety.
- • **Precision Engineered for Siemens & Furnas:** Exact fit replacement part #45FG20AJ, trusted by top HVAC brands for peak performance.

## Overview

The ClimaTek 45FG20AJ is a brand-new, upgraded 2-pole condenser contactor designed for residential HVAC systems. Rated at 40 Amps with a 24-volt coil, it fits 99% of units and replaces Siemens and Furnas models seamlessly. Lightweight and built for heavy-duty performance, it ensures reliable, automatic switching for your furnace or A/C system.

## Description

45FG20AJ - ClimaTek Upgraded 2 Pole Conderser Contact fits Siemens, Furnas | 24 Volt Coil, 40 Amp, Double Pole: Replacement Household Furnace Electronic Relays: desertcart.com: Tools & Home Improvement

Review: A/C Contactor - A/C marine pack 24VAC Contactor Exact replacement

## Features

- This is a Brand New Upgraded 2 Pole 40 Amp Condenser Contactor
- The coil is rated for 24 volts, making it compatible with 99% of all residential units.
- This is a "Heavy Duty" contactor rated at 40 Amps!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00E0O5NMM |
| Best Sellers Rank | #2,102,130 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #735 in Furnace Replacement Relays |
| Brand | ClimaTek |
| Brand Name | ClimaTek |
| Coil Voltage | 24 volts |
| Contact Current Rating | 40 A |
| Current Rating | 40 A |
| Customer Reviews | 5.0 out of 5 stars 2 Reviews |
| Item Weight | 11 ounces |
| Manufacturer | Mars |
| Maximum Switching Current | 40 A |
| Maximum Switching Voltage | 24 volts |
| Minimum Switching Voltage | 24 volts_of_direct_current |
| Mounting Type | Pole |
| Operation Mode | Automatic |
| Part Number | Replaces part # 45FG20AJ |
| Unit Count | 1 Count |

## Product Details

- **Brand:** ClimaTek
- **Coil Voltage:** 24 Volts
- **Contact Current Rating:** 40 Amps
- **Current Rating:** 40 Amps
- **Mounting Type:** Pole

## Images

![45FG20AJ - ClimaTek Upgraded 2 Pole Conderser Contact fits Siemens, Furnas - Image 1](https://m.media-amazon.com/images/I/61nrkf8nWrL.jpg)
![45FG20AJ - ClimaTek Upgraded 2 Pole Conderser Contact fits Siemens, Furnas - Image 2](https://m.media-amazon.com/images/I/51uHH6f8w0L.jpg)
![45FG20AJ - ClimaTek Upgraded 2 Pole Conderser Contact fits Siemens, Furnas - Image 3](https://m.media-amazon.com/images/I/51pfZg0mfiL.jpg)
![45FG20AJ - ClimaTek Upgraded 2 Pole Conderser Contact fits Siemens, Furnas - Image 4](https://m.media-amazon.com/images/I/511W0DJUu4L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ A/C Contactor
*by S***N on January 19, 2017*

A/C marine pack 24VAC Contactor Exact replacement

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**Shop now:** [https://www.desertcart.hr/products/57932313-45fg20aj-climatek-upgraded-2-pole-conderser-contact-fits-siemens-furnas](https://www.desertcart.hr/products/57932313-45fg20aj-climatek-upgraded-2-pole-conderser-contact-fits-siemens-furnas)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-08-30*