--- product_id: 48420128 title: "HPA2 Actuator, 4 Wire" brand: "danfoss" price: "479.49 DT" currency: TND in_stock: true reviews_count: 8 category: "Danfoss" url: https://www.desertcart.tn/products/48420128-hpa2-actuator-4-wire store_origin: TN region: Tunisia --- # 230V AC power for reliable performance Spring return mechanism for fail-safe valve closure 4-wire design for versatile HVAC integration HPA2 Actuator, 4 Wire **Brand:** danfoss **Price:** 479.49 DT **Availability:** ✅ In Stock ## Summary > ⚙️ Upgrade your HVAC game with the Danfoss HPA2 – where precision meets peace of mind! ## Quick Answers - **What is this?** HPA2 Actuator, 4 Wire by danfoss - **How much does it cost?** 479.49 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/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 - • **Smart Integration:** Built-in SPST auxiliary switch for advanced signaling & control - • **Plug & Play Upgrade:** Simple 4-wire setup for quick, no-fuss installation - • **Fail-Safe Automation:** Spring return closes valve instantly on power loss for safety - • **Seamless Compatibility:** Direct replacement for Danfoss HPV22 & multiple major brands - • **Effortless HVAC Control:** Precision 2-port actuator ensures smooth fluid flow management ## Overview The Danfoss HPA2 Actuator is a robust 230V, 4-wire valve motor designed for 2-port zone valves in HVAC systems. Featuring a spring return mechanism and an SPST auxiliary switch, it guarantees fail-safe operation and easy integration with control systems. Compatible with Danfoss HPV22 and several other major actuator models, it offers a straightforward replacement solution for enhanced fluid flow control and automation. ## 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. Review: Just the Job. - First Class service, item arrived very quickly and fitted thereafter, working great. Review: Simple job - Straight swap for existing head, just the job. ## 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 | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 4,834 in DIY & Tools ( See Top 100 in DIY & Tools ) 38 in Central Heating System Accessories | | Colour | White and Black | | Customer Reviews | 4.7 4.7 out of 5 stars (961) | | Date First Available | 10 Jun. 2010 | | Display style | manual | | Included Components | Valve actuator HPA2 | | Item Package Quantity | 1 | | Item Weight | 520 g | | Item model number | HPA2 | | Manufacturer | Danfoss | | Package Dimensions | 12.6 x 11.3 x 7.9 cm; 520 g | | Part Number | HPA2 | | Plug profile | Surface Mount | | Power Source | 230V AC | | Special Features | Spring Return Mechanism, Auxiliary Switch | | Usage | Boiler | ## 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 ## Customer Reviews ### ⭐⭐⭐⭐⭐ Just the Job. *by S***S on 5 March 2026* First Class service, item arrived very quickly and fitted thereafter, working great. ### ⭐⭐⭐⭐⭐ Simple job *by S***L on 19 January 2026* Straight swap for existing head, just the job. ### ⭐⭐⭐⭐⭐ Was exactly what I needed *by S***Y on 2 February 2026* As described. Prompt delivery and was instant change like for like. Price was good and now doing it's job perfect. ## 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.tn/products/48420128-hpa2-actuator-4-wire](https://www.desertcart.tn/products/48420128-hpa2-actuator-4-wire) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-04-23*