Riello NXHM 4kW Monobloc Air to Water Heat Pump Single Phase, R32
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Riello NXHM 4kW Monobloc Air to Water Heat Pump (Single Phase, R32)
The Riello NXHM 4kW Monobloc Air Source Heat Pump is a compact, ultra-efficient solution for small homes and apartments. Using environmentally friendly R32 refrigerant and advanced inverter technology, it delivers reliable heating, cooling, and domestic hot water with minimal noise and maximum efficiency.
Key Features
- Nominal heating capacity: 4.2kW
- Energy class: A+++ (35°C) / A++ (55°C)
- R32 refrigerant for low GWP and high performance
- Maximum flow temperature: 65°C
- Silent operation: 55 dB(A)
- Integrated control board and primary pump
- Blue-Fin anti-corrosion coil for durability and efficiency
- Compatible with underfloor heating, radiators, fan coils, and DHW cylinders
- Cascade-ready: connect up to 6 units
- Easy installation and MCS certified
- 7-year warranty (subject to registration)
Technical Specifications
| Output | 4.2kW |
|---|---|
| SCOP (35°C) | 4.66 |
| Refrigerant | R32 / 1.4kg |
| Max Flow Temp | 65°C |
| Operating Temp Range | -25°C to +35°C |
| Water Connections | 1” BSPP Male |
| Electrical Supply | 220–240V, Single Phase |
| Dimensions (HxWxD) | 792 × 1295 × 429 mm |
| Weight | 98 kg |
| EAN | 8018000405093 |
- Type Heat Pumps
- Vendor Riello
- SKU NXHM4
Please note: Delivery times may vary depending on location, with specific details outlined below.
Standard Delivery
UK Mainland
- Delivery Time: 2–4 working days
- Free Delivery on all orders
Express Delivery
UK Mainland
- Delivery Time: 1–3 working days
- Delivery fee of £15
Channel Islands
- Postcodes Covered: GY*, IM*, JE*
- Minimum Order: £50
- Delivery Fee: £70
Northern Ireland, Offshore Territories & Scottish Islands
- Postcodes Covered: BT*, HS*, KW, ZE
- Minimum Order: £50
- Delivery Fee: £35
Same Day Delivery
- Eligible Postcodes:
E*, EC*, N*, NW*, SE*, SW*, W*, WC*, HA*, UB*, EN*, IG*, RM*, KT*, SM*, CR*, BR*, DA*, TW* - Minimum Order: £50
- Same Day Delivery Fee: £60
- Special Requests or Locations:
For areas outside these postcodes or urgent quotes, please email orders@qualityheating.co.uk and we’ll do our best to accommodate.
Collections
Want to collect your order instead?You’re welcome to do so — just email us at orders@qualityheating.co.uk or message us via WhatsApp with your preferred collection time, and we’ll confirm the details.
Collection address: 284 Water Rd, Unit 9, London, HA0 1HX