--- 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: "R2708" currency: ZAR in_stock: true reviews_count: 8 category: "Hanicks" url: https://www.desertcart.co.za/products/529950818-danfoss-hpa2-2-port-motorised-zone-valve-actuator-head-only store_origin: ZA region: South Africa --- # 230V AC power Cross-brand compatibility 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:** R2708 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your heating game with Danfoss HPA2 — fast, reliable, and effortlessly compatible! ## 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?** R2708 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/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 - • **Built to Last:** Durable IP40-rated enclosure and metal construction ensure long-term performance in demanding environments. - • **Universal Fit:** Direct fit for Danfoss HPV22/28 valves and seamless replacement for Landis & Gyr, Sunvic, Pegler & Potterton models. - • **Precision Timing:** Reliable motor action with rapid open (35s) and close (20s) cycles keeps your heating responsive. - • **Plug & Play Upgrade:** Swap actuator head without draining—simple isolate, unplug, and screw off for zero downtime. - • **Smart Control Ready:** Integrated SPST auxiliary switch supports boiler interlock for smarter heating management. ## Overview The Danfoss HPA2 is a genuine 2-port motorised zone valve actuator head designed for 230V AC systems. It features fast motor operation (open in 35 seconds, close in 20 seconds), an SPST auxiliary switch for boiler interlock, and a pre-wired 1-meter lead with standard wiring colors. Compatible with Danfoss HPV22 and HPV28 valve bodies, it also cross-fits popular models from Landis & Gyr, Sunvic, Pegler, and Potterton, making it a versatile and reliable upgrade for professional heating systems. ## 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: It serves its purpose - It serves its purpose. I bought it some time ago and it hasn’t caused any problems. 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 ### ⭐⭐⭐⭐⭐ It serves its purpose *by S***A on 22 March 2026* It serves its purpose. I bought it some time ago and it hasn’t caused any problems. ### ⭐⭐⭐⭐⭐ 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 ### ⭐⭐⭐⭐ Take a picture of the wiring before you start. *by A***R on 26 May 2026* Very good easy to fit. ## 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.co.za/products/529950818-danfoss-hpa2-2-port-motorised-zone-valve-actuator-head-only](https://www.desertcart.co.za/products/529950818-danfoss-hpa2-2-port-motorised-zone-valve-actuator-head-only) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-07-16*