Nimbus 5 M Pocket
Outdoor unit and Light Box
A 277 × 288 × 66 mm Light Box on the wall indoors, with Sensys HD and an outdoor sensor. Pair it with the cylinder that suits the job.
See the Pocket range
Nimbus 5 R290: quicker to fit, ready to quote.
Ariston's new R290 monobloc range, from 3 to 15 kW, is on the Thermal Earth trade shop as Pocket and Pre-plumbed Pack bundles, with trade pricing, design support and manufacturer training.
R290 GWP 0.02
3–15 kW single and three-phase
Up to 75 °C flow
Nimbus 5 outdoor unit. Anti-freeze kit, drain pan and water filter are built in.
One outdoor unit, two indoor routes
Pocket for a separate cylinder. Pack for one cupboard.
Pocket pairs the outdoor unit with a 277 × 288 × 66 mm Light Box, Sensys HD and an outdoor sensor. Pack adds a UK-made pre-plumbed cylinder (150 L or 180 L slimline, or 210 L standard) with a factory-fitted Light Box, two heating zones and a 3 kW immersion.
5.10
COP at A7/W35, 30 M (EN 14511)
A+++
ErP heating class at 35 °C, all sizes
75 °C
maximum flow temperature
-25 °C
minimum outdoor temperature in heating
What arrives on site
Two systems, one outdoor unit.
Nimbus 5 M Pack
Outdoor unit and pre-plumbed cylinder
The UK-made cylinder arrives with the Light Box, pumps, valves and wiring already fitted, two heating zones and a 3 kW immersion. Choose 150 L or 180 L slimline, or 210 L standard.
See the Pack combinations
Built for the install
Designed with installers, to cut time on site.
- Less to fit outside
Anti-freeze kit and drain pan are integrated. A cone filter is built into the 30, 50 and 80 M units, and a Y-strainer kit into the 120 and 150 M units.
- Easier to handle and open
Grip recesses and strap passages on the outdoor unit, and an L-shaped panel that gives front and side access at once.
- Quicker connections
Tool-free quick connectors with locking clips, and lever terminal blocks for faster, safer wiring.
- Guided commissioning
The SET+ function takes you through commissioning step by step.
- Remote service
Ariston NET Pro gives remote access to connected systems, with AI-powered Active Care alerts before a fault becomes a callout.
- Hybrid and PV ready
Bus BridgeNet manages boilers, solar thermal and PV self-consumption alongside the heat pump.
Nimbus 5 M Pocket R290
The Pocket range.
Each bundle includes the outdoor unit, Light Box, Sensys HD and outdoor sensor. Select a model for trade pricing and documents.
Swipe sideways to see every column.
| Model | Output | Supply | COP A7/W35 | SCOP 35 / 55 °C | ErP 35 / 55 °C | Sound power | H × W × D |
|---|---|---|---|---|---|---|---|
| Pocket 30 M | 3 kW | 1-ph | 5.10 | 4.91 / 3.83 | A+++ / A+++ | 52 dB(A) | 775 × 1050 × 416 mm |
| Pocket 50 M | 5 kW | 1-ph | 5.00 | 4.82 / 3.67 | A+++ / A++ | 54 dB(A) | 775 × 1050 × 416 mm |
| Pocket 80 M | 8 kW | 1-ph | 4.80 | 4.59 / 3.58 | A+++ / A++ | 56 dB(A) | 1125 × 1050 × 416 mm |
| Pocket 80 M-T | 8 kW | 3-ph | 4.80 | 4.59 / 3.58 | A+++ / A++ | 56 dB(A) | 1125 × 1050 × 416 mm |
| Pocket 120 M | 12 kW | 1-ph | 4.80 | 4.86 / 3.87 | A+++ / A+++ | 57 dB(A) | 1525 × 1050 × 416 mm |
| Pocket 120 M-T | 12 kW | 3-ph | 4.80 | 4.86 / 3.87 | A+++ / A+++ | 57 dB(A) | 1525 × 1050 × 416 mm |
| Pocket 150 M | 15 kW | 1-ph | 4.30 | 4.67 / 3.86 | A+++ / A+++ | 57 dB(A) | 1525 × 1050 × 416 mm |
| Pocket 150 M-T | 15 kW | 3-ph | 4.30 | 4.67 / 3.86 | A+++ / A+++ | 57 dB(A) | 1525 × 1050 × 416 mm |
Nimbus 5 M Pack R290
Pre-plumbed Pack combinations.
Outdoor unit plus UK-made pre-plumbed cylinder with factory-fitted Light Box, 2-zone heating and a 3 kW immersion. Select a code for trade pricing and documents.
Swipe sideways to see every cylinder size.
| Outdoor unit | 150 L slimline | 180 L slimline | 210 L standard |
|---|---|---|---|
| 30 M | 4147338 | 4147342 | – |
| 50 M | 4147339 | 4147343 | – |
| 80 M | 4147340 | 4147344 | 4147350 |
| 80 M-T | 4147341 | 4147345 | 4147351 |
| 120 M | – | 4147346 | 4147352 |
| 120 M-T | – | 4147347 | 4147353 |
| 150 M | – | 4147348 | 4147354 |
| 150 M-T | – | 4147349 | 4147355 |
Data sheets, the product fiche and the Nimbus 5 catalogue are on every product page and come with your quote. Installation, professional and user manuals are sent with confirmed orders.
Working with Thermal Earth
Account, design and training in one place.
Trade account
Apply for online ordering and account pricing on the full Nimbus 5 range.
Apply for a credit accountDesign and quote
Send us the property details and our design team can help size the Nimbus 5 and specify the system around it.
Explore system designAriston training
Our manufacturer training days are free to attend. Ask the team about Nimbus 5 product training and the next date.
Enquire for datesInstaller questions
Nimbus 5 for installers
The full Nimbus 5 M Pocket R290 range (30 to 150 M, single and three-phase) and every Nimbus 5 M Pack pre-plumbed combination, plus Sensys HD controls and Nimbus 5 accessories.
The installation, professional and user manuals are sent with your confirmed order. Data sheets, the product fiche and the catalogue are on each product page now.
The refrigerant circuit is sealed at the factory, so no refrigerant handling is needed on site. You do need to follow the safety clearances around the outdoor unit set out in Ariston's installation manual. Ask the trade team if you have a question about a site.
Yes. Send the property details or your heat-loss figures and our design team can help choose the unit and cylinder for your quote.
Start quoting Nimbus 5.
Browse the range at trade prices, or open an account to order online.