---
product_id: 100700971
title: "Sunvic 2 Port Spring Return (4 Wire) Actuator SZ2301 Genuine Part"
brand: "sunvic"
price: "€ 398.47"
currency: EUR
in_stock: true
category: "Sunvic"
url: https://www.desertcart.pt/products/100700971-sunvic-2-port-spring-return-4-wire-actuator-sz2301-genuine
store_origin: PT
region: Portugal
---

# long-lasting reliability 4-wire genuine connectivity 2-port spring return precision Sunvic 2 Port Spring Return (4 Wire) Actuator SZ2301 Genuine Part

**Brand:** sunvic
**Price:** € 398.47
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your heating game with the actuator pros trust!

## Quick Answers

- **What is this?** Sunvic 2 Port Spring Return (4 Wire) Actuator SZ2301 Genuine Part by sunvic
- **How much does it cost?** € 398.47 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/100700971-sunvic-2-port-spring-return-4-wire-actuator-sz2301-genuine)

## Best For

- sunvic enthusiasts

## Why This Product

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

## Key Features

- • **4-Wire Configuration:** Simplifies installation with reliable, professional-grade wiring
- • **Genuine Sunvic Quality:** Authentic part guarantees seamless compatibility and durability
- • **Plug-and-Play Replacement:** Direct swap for your existing actuator—no guesswork, no downtime
- • **Built to Last Over a Decade:** Proven longevity with up to 16 years of dependable service
- • **Precision Spring Return Mechanism:** Ensures fail-safe valve positioning for ultimate system protection

## Overview

The Sunvic SZ2301 is a genuine 2-port spring return actuator featuring a 4-wire setup designed for reliable, long-term operation in central heating systems. Engineered for professional installation, it offers precise valve control and proven durability, making it the go-to replacement part for maintaining optimal HVAC performance.

## Description

Product description Sunvic 2 Port Spring Return (4 Wire) Actuator SZ2301 Genuine Part Safety Warning Must be installed by a qualified engineer P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Legal Disclaimer Must be installed by a qualified engineer See more

## Features

- Sunvic 2 Port Spring Return (4 Wire) Actuator SZ2301 Genuine Part
- Genuine Part
- Obsolete Part - Available while stocks last

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B006G8O4JI |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 734,078 in DIY & Tools ( See Top 100 in DIY & Tools ) 6,158 in Central Heating System Accessories |
| Colour | White |
| Customer Reviews | 4.0 4.0 out of 5 stars (21) |
| Date First Available | 30 Nov. 2011 |
| Guaranteed software updates until | unknown |
| Item Package Quantity | 1 |
| Item Weight | 460 g |
| Item model number | SZ2301 (4082301) |
| Manufacturer | Sunvic |
| Number of Pieces | 1 |
| Package Dimensions | 27 x 12.4 x 7.8 cm; 459.99 g |
| Part Number | SZ2301 (4082301) |
| Size | SZ2301 |
| Style | SZ2301 |

## Images

![Sunvic 2 Port Spring Return (4 Wire) Actuator SZ2301 Genuine Part - Image 1](https://m.media-amazon.com/images/I/71iDaCvcweL.jpg)
![Sunvic 2 Port Spring Return (4 Wire) Actuator SZ2301 Genuine Part - Image 2](https://m.media-amazon.com/images/I/41DwQvvO2kL.jpg)

## Questions & Answers

**Q: Sunvic es/cts what is thin wire coil for?**
A: What thin wire coil?
Mine just had 4 wires: orange, blue, grey and brown and these connected directly to the existing wires on the junction box.

**Q: This got stuck on me and i had to spray it with wd40, all good now but i've lost the screws. can anyone tell me what screws i need?**
A: M6 i think. It is a standard metric thread.

**Q: will this work as a replacement for part sz-2401 ?**
A: Probably not

**Q: Can i use body from szm1801 and put on it sz2301?**
A: Bodies of 2 ports are the same, the actuators vary with end switches

## Frequently Bought Together

- Sunvic 2 Port Spring Return (4 Wire) Actuator SZ2301 Genuine Part
- GEDORE 666-042 3100316 Bit-Set

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**Shop now:** [https://www.desertcart.pt/products/100700971-sunvic-2-port-spring-return-4-wire-actuator-sz2301-genuine](https://www.desertcart.pt/products/100700971-sunvic-2-port-spring-return-4-wire-actuator-sz2301-genuine)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-10-07*