--- product_id: 529950818 title: "Danfoss HPA2 2-Port Motorised Zone Valve Actuator (Head Only) 087N6579 087N657900, 230V 4 Wire, SPST Aux Switch, Fits HPV22 & HPV28 Valve Bodies, Landis & Gyr SK2, Sunvic SZ1301 & SZ2301 - Hanicks" brand: "hanicks" price: "$161.55" currency: USD in_stock: true reviews_count: 8 category: "Hanicks" url: https://www.desertcart.us/products/529950818-danfoss-hpa2-2-port-motorised-zone-valve-actuator-head-only store_origin: US region: United States of America --- # 230V AC power Cross-brand fit & easy swap Fast open/close (35s/20s) Danfoss HPA2 2-Port Motorised Zone Valve Actuator (Head Only) 087N6579 087N657900, 230V 4 Wire, SPST Aux Switch, Fits HPV22 & HPV28 Valve Bodies, Landis & Gyr SK2, Sunvic SZ1301 & SZ2301 - Hanicks **Brand:** hanicks **Price:** $161.55 **Availability:** ✅ In Stock ## Summary > ⚙️ Upgrade your heating game with the Danfoss HPA2 – fast, flawless, and future-ready! ## Quick Answers - **What is this?** Danfoss HPA2 2-Port Motorised Zone Valve Actuator (Head Only) 087N6579 087N657900, 230V 4 Wire, SPST Aux Switch, Fits HPV22 & HPV28 Valve Bodies, Landis & Gyr SK2, Sunvic SZ1301 & SZ2301 - Hanicks by hanicks - **How much does it cost?** $161.55 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/529950818-danfoss-hpa2-2-port-motorised-zone-valve-actuator-head-only) ## Best For - hanicks enthusiasts ## Why This Product - Trusted hanicks brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Speedy Valve Control:** Rapid actuation with open in ≤35 seconds and close in ≤20 seconds keeps your heating responsive and efficient. - • **Effortless Maintenance:** Swap the actuator head without draining your system—just isolate, unplug, and unscrew for zero downtime. - • **Plug & Play Powerhouse:** 230V AC operation with ±15% tolerance ensures stable, reliable performance in any standard setup. - • **Smart Safety & Control:** Built-in SPST auxiliary switch supports boiler interlock and system monitoring for professional-grade reliability. - • **Universal Compatibility:** Direct fit for Danfoss HPV22/HPV28 and seamless replacement for top brands like Siemens, Sunvic, Pegler, and Potterton. ## Overview The Danfoss HPA2 2-Port Zone Valve Actuator Head is a genuine, high-performance replacement designed for 230V AC H-Series valves. It features fast motor actuation (open in 35s, close in 20s), an SPST auxiliary switch for boiler interlock, and a pre-wired 1m lead with manual override lever. Compatible with Danfoss HPV22/HPV28 valve bodies and cross-brand interchangeable with Siemens, Sunvic, Pegler, and Potterton models, it enables quick, no-drain head swaps to restore or upgrade your heating system efficiently. ## Description Danfoss HPA2 2-Port Zone Valve Actuator (Head Only), 230V, SPST Aux Switch – Fits HPV22 / HPV28 – 087N6579 / 087N657900Key Features:Genuine Danfoss actuator head for 2-port (normally-closed) H-Series valves; swap the head without draining—isolate, unplug, unscrew from the body. Electrical spec: 230 V AC (±15%), 50/60 Hz, SPST auxiliary switch, motor open/close ≈35 s / 20 s (max); output rating 3 A resistive / 1 A inductive. Pre-wired lead (~1 m) with industry-standard wire colours and manual lever for filling/override. IP40 enclosure. Direct fit to Danfoss bodies: HPV22 (22 mm) and HPV28 (28 mm) 2-port valve bodies. Cross-brand interchange: Listed replacements for Landis & Gyr/Siemens SK2, Sunvic SZ1301/2301, Pegler EML3454, Potterton PMV2 (confirm existing body/model before ordering). Product DescriptionThe Danfoss HPA2 is the official 2-port zone valve actuator head for H-Series systems. It runs on 230 V AC and includes an SPST auxiliary switch for end-switch/boiler interlock. Actuation is fast and reliable (typical open ≈35 s, close ≈20 s), and the unit features a pre-wired ~1 m lead with standard colours and a spring-return manual lever for system filling and testing. It’s a direct fit to HPV22/HPV28 valve bodies and, per Danfoss’ compatibility charts, can replace equivalent heads from Siemens/L&G (SK2), Sunvic (SZ1301/2301), Pegler (EML3454) and Potterton (PMV2)—always identify the installed valve body before purchase. Part No.: 087N6579 (also shown as 087N657900). Technical DetailsVoltage / Frequency: 230 V AC (±15%), 50/60 Hz. Aux switch: SPST; rating 3 A resistive / 1 A inductive. Timing: Opening ≤35 s, Closing ≤20 s (max). Ingress protection: IP40 (per H-Series docs). Lead: ~1 m pre-wired cable; manual lever for override. Fits valve bodies: HPV22 (22 mm), HPV28 (28 mm). Cross-brand interchange (ref.): SK2, SZ1301/2301, EML3454, PMV2. What’s in the Box1× Danfoss HPA2 actuator head – 087N6579 (valve body not included). Review: Good product - Good replacement, easy to fit and gave me back my hot water Review: Heating working again! - Excellent service, central heating stopped working at 7pm Saturday night, I diagnosed the fault as the motor/actuator for the central heating valve ,ordered the new actuator and it was delivered 08.15 on the Sunday morning heating working again 09.00 can’t fault the service from the seller ## Features - Genuine Danfoss actuator head for 2-port (normally-closed) H-Series valves; swap the head without draining—isolate, unplug, unscrew from the body. - Electrical spec: 230 V AC (±15%), 50/60 Hz, SPST auxiliary switch, motor open/close ≈35 s / 20 s (max); output rating 3 A resistive / 1 A inductive. - Pre-wired lead (~1 m) with industry-standard wire colours and manual lever for filling/override. IP40 enclosure. - Direct fit to Danfoss bodies: HPV22 (22 mm) and HPV28 (28 mm) 2-port valve bodies. - For Use With Danfoss HPV22 & HPV28 Valve Bodies. Can also replace Landis & Gyr SK2 Actuator, Pegler Sunvic SZ1301/SZ2301 and Potterton PMV2. - Cross-brand interchange: Listed replacements for Landis & Gyr/Siemens SK2, Sunvic SZ1301/2301, Pegler EML3454, Potterton PMV2 (confirm existing body/model before ordering). - Genuine Part ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C4FCNMRV | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 23,867 in DIY & Tools ( See Top 100 in DIY & Tools ) 250 in Central Heating System Accessories | | Colour | White | | Customer Reviews | 4.4 4.4 out of 5 stars (55) | | Date First Available | 10 Jun. 2010 | | Included Components | 1x HPA2 Actuator | | Item Weight | 520 g | | Item model number | HPA2 | | Manufacturer | Hanicks | | Material | Metal | | Part Number | HPA2 | | Power Source | ac | | Product Dimensions | 12.5 x 11 x 8 cm; 520 g | | Shape | Square | | Size | For: 22mm & 28mm Valve Bodies | | Style | HPA2 | | Voltage | 230 Volts | | Wattage | 6 watts | ## Images ![Danfoss HPA2 2-Port Motorised Zone Valve Actuator (Head Only) 087N6579 087N657900, 230V 4 Wire, SPST Aux Switch, Fits HPV22 & HPV28 Valve Bodies, Landis & Gyr SK2, Sunvic SZ1301 & SZ2301 - Hanicks - Image 1](https://m.media-amazon.com/images/I/51G6tN+A6UL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good product *by A***R on 27 August 2025* Good replacement, easy to fit and gave me back my hot water ### ⭐⭐⭐⭐⭐ Heating working again! *by M***N on 15 December 2025* Excellent service, central heating stopped working at 7pm Saturday night, I diagnosed the fault as the motor/actuator for the central heating valve ,ordered the new actuator and it was delivered 08.15 on the Sunday morning heating working again 09.00 can’t fault the service from the seller ### ⭐⭐⭐⭐⭐ Easy replacement *by G***Z on 7 November 2025* The Danfoss HPA2 2-Port Zone Valve Actuator was an exact replacement and worked perfectly. It solved a heating problem we’d been struggling with—easy to install and reliable performance. Highly recommended! ## Frequently Bought Together - Danfoss HPA2 22/28mm 2 Port Zone Valve Actuator Motor (4 Wire) 087N657900 Genuine Part - Hanicks - REGE105 REGIN 5 Way Plug/Socket with Strain Relief - Danfoss Randall HPV22 22 mm 2-Port Valve Body --- ## 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.us/products/529950818-danfoss-hpa2-2-port-motorised-zone-valve-actuator-head-only](https://www.desertcart.us/products/529950818-danfoss-hpa2-2-port-motorised-zone-valve-actuator-head-only) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-16*