--- product_id: 48420128 title: "HPA2 Actuator, 4 Wire" brand: "danfoss" price: "€ 105.48" currency: EUR in_stock: true category: "Danfoss" url: https://www.desertcart.be/products/48420128-hpa2-actuator-4-wire store_origin: BE region: Belgium --- # 230V AC power for reliable performance Spring return mechanism for fail-safe valve closure 4-wire connectivity for seamless integration HPA2 Actuator, 4 Wire **Brand:** danfoss **Price:** € 105.48 **Availability:** ✅ In Stock ## Summary > 🔧 Elevate your HVAC game with precision and peace of mind! ## Quick Answers - **What is this?** HPA2 Actuator, 4 Wire by danfoss - **How much does it cost?** € 105.48 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/48420128-hpa2-actuator-4-wire) ## Best For - danfoss enthusiasts ## Why This Product - Trusted danfoss brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable & Trusted:** Made in the UK with a 12-month warranty and a 4.7-star rating from nearly 1,000 professionals. - • **Fail-Safe Spring Return:** Automatically closes valve on power loss, safeguarding your HVAC system and boosting automation reliability. - • **Universal Compatibility:** Fits HPV22 22mm valve bodies and replaces major brands like Landis & Gyr, Pegler Sunvic, and Potterton. - • **Integrated Auxiliary Switch:** SPST switch enables smart signaling and smooth integration with advanced control systems. - • **Precision Control at Your Fingertips:** Manual push-button operation ensures intuitive and accurate valve actuation. ## Overview The Danfoss HPA2 Actuator is a 230V, 4-wire, 2-port normally closed valve actuator featuring a spring return mechanism and an SPST auxiliary switch. Designed for HVAC and industrial fluid control, it offers reliable manual push-button control, universal compatibility with popular valve bodies, and a fail-safe valve closure on power loss. Manufactured in the UK, it comes with a 12-month warranty and is highly rated by professionals. ## Description The HPA2 is a 2-port normally closed (N.C.) spring return valve actuator designed for controlling fluid flow in HVAC and industrial applications. It features an SPST (Single Pole Single Throw) auxiliary switch, which can be used for signaling or integration with control systems. The spring return mechanism ensures the valve returns to its default (closed) position when power is removed, making it ideal for safety and automation purposes. ## Features - Spare / replacement Actuator/motor for 2 port zone valve. - Danfoss Product code 087N657900 230V. - 4 wire most commonly fitted onto HPV22 22mm valve body. - Can also replace Landis & Gyr SK2 Actuator, Pegler Sunvic SZ1301/SZ2301 and Potterton PMV2. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003QZKN26 | | Best Sellers Rank | 23,062 in DIY & Tools ( See Top 100 in DIY & Tools ) 166 in Central Heating System Accessories | | Brand Name | Danfoss | | Colour | White and Black | | Connectivity Protocol | Wired | | Connectivity Technology | Wired | | Control Method | Push Button | | Controller Type | Push Button | | Country Of Origin | United Kingdom | | Customer Reviews | 4.7 4.7 out of 5 stars (985) | | Display Type | manual | | Included Components | Valve actuator HPA2 | | Item Type Name | Valve actuator HPA2 | | Item Weight | 0.52 Kilograms | | Manufacturer | Danfoss | | Manufacturer Part Number | HPA2 | | Manufacturer Warranty Description | 12 months. | | Model Name | HPA2 | | Model Number | HPA2 | | Mounting Type | Surface Mount | | Power Source | 230V AC | | Special Features | Spring Return Mechanism, Auxiliary Switch | | Specific Uses For Product | Boiler | | Temperature Control Type | Manual | | UPC | 772040546052 | | Voltage | 230 Volts | ## Product Details - **Brand:** Danfoss - **Colour:** White and Black - **Connectivity technology:** Wired - **Controller type:** Push Button - **Included components:** Valve actuator HPA2 - **Model name:** HPA2 - **Power source:** 230V AC - **Special feature:** Spring Return Mechanism, Auxiliary Switch - **Specific uses for product:** Boiler - **Temperature Control Type:** Manual ## Images ![HPA2 Actuator, 4 Wire - Image 1](https://m.media-amazon.com/images/I/612Yn64S2VL.jpg) ## Questions & Answers **Q: why is my item not been arrived to my house yet?** A: Contact seller! **Q: what is the default position of the valve this controls - open or closed?** A: Good Afternoon These valves are spring return to closed (so normally closed) Regards Buy Plumbing Online **Q: My existing one has 3 wire, will this work as a replacement? What happens to the 4th wire?** A: Mine used the 4 cables....live/neutral, switched live from the thermostat then the switched live to the boiler. **Q: How long is the cable attached to the unit?** A: Hi, It is 1 metre long Steven ## Frequently Bought Together - Danfoss Valve Actuator HPA2 - REGE105 REGIN 5 Way Plug/Socket with Strain Relief - Danfoss Randall HP22 | 2 Port | 22mm Zone Valve by Danfoss Randall --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/48420128-hpa2-actuator-4-wire](https://www.desertcart.be/products/48420128-hpa2-actuator-4-wire) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-08*