Riello NXHM 16kW 3-Phase R32 Monobloc Heat Pump Unit
FREE UK Delivery

£4,528.65 ex VAT£5,434.38 inc VAT

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The largest capacity unit in the NXHM range, Riello's NXHM 16kW 3-Phase R32 Monobloc Heat Pump...
Product code: 20203655
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Description

The largest capacity unit in the NXHM range, Riello's NXHM 16kW 3-Phase R32 Monobloc Heat Pump is a high-capacity yet quiet and efficient unit that runs on three-phase electrical power for large residential properties requiring high-output space heating and domestic hot water (DHW) generation. This air source monobloc heat pump works by absorbing heat from the outside air and efficiently transferring it indoors to heat your home and hot water, even in cold weather.

Designed to deliver reliable space heating and domestic hot water (DHW) to your home, this model is compatible with standard and pre-plumbed hot water cylinders. It's built for durability, quiet operation for domestic comfort, and seamless integration into modern heating systems. Built-in features include a control board and primary pump to make installation straightforward.

The Riello NXHM supports cascade installation with up to six units, offering scalable output for multi-zone or high-load heating systems. Pair it with a pre-plumbed or standard DHW cylinder for a complete heating solution. With an energy rating of A+++ at 35°C and A++ at 55°C, it provides excellent seasonal efficiency.

  • Maximum output: 15.9kW capacity ideal for large or multi-zone homes
  • Three-phase ready: 400V/3ph power compatibility for high-demand systems
  • Energy class A+++ / A++: Outstanding seasonal efficiency at 35°C and 55°C
  • Quiet performance: 68 dB(A) with silent mode for residential comfort
  • Installer-friendly: Built-in control board and primary pump reduce setup time
  • Cascade capable: Link up to 6 units for flexible, large-scale applications
  • Cylinder compatible: Works with both pre-plumbed and standard DHW cylinders

Technical Specifications:

  • Nominal Heating Capacity: 15.90 kW
  • Output @ W45/A-7 12.80 kW
  • Compressor Type: Twin Rotary
  • Refrigerant Type / Volume R32 / 1.75 kg
  • Operating Water Flow Range: (Q) 11.67 – 50.0 L/min
  • Minimum System Water Volume: 40 L
  • Max Flow Temperature: 65°C
  • Operating Temp Range: -25°C to 35°C
  • Electrical Supply: 400V / 3ph / 50Hz
  • Sound Power Level: 68 dB(A)
  • Water In/Out Connections: 1¼” BSPP Male
  • Dimensions (HxWxD): 945mm x 1385mm x 526 mm
  • Net Weight: 160.0 kg
  • Shipping Weight: 185.0 kg
  • Product Code: 20203655

Seasonal Coefficient of Performance (SCOP):

Flow Temperature SCOP

  • 35°C 4.49
  • 40°C 4.18
  • 45°C 3.88
  • 50°C 3.59

Code: 20203655

DELIVERY INFORMATION

Fast, reliable UK delivery

  • FREE UK delivery (2–3 working days) on orders over £99 exVAT (order before 4pm)*.
  • Orders under £99 exVAT are charged £6 inc VAT (£5 exVAT).
  • Need it quickly? Choose from our Next Working Day & Saturday delivery options below (order before 2pm).

Delivery options & rates

Delivery OptionDelivery TimeCost
Standard Delivery2-3 working days£6.00 (£5.00 exVAT)
FREE Standard Delivery (orders over £99 exVAT)*2-3 working daysFREE
Next Working Day Delivery (order before 2pm)Next working day£9.99 (£8.33 exVAT)*
Next Working Day by 12pm  (order before 2pm)Next working day£20.00 (£16.67 exVAT)
Next Working Day by 10:30am  (order before 2pm)Next working day£21.60 (£18.00 exVAT)
Saturday Delivery  (order before 2pm Friday)    Next working day£20.00 (£16.67 exVAT)
Northern Ireland, Highland  & Islands Delivery  3-5 working days£9.99 (£8.33 exVAT)

Important: Orders placed after 2pm on Friday (or over the weekend) are processed on Monday for next working day delivery. Next Day & Saturday Delivery options NOT available on all products.

*FREE Standard & Next day delivery available on select products and will be clearly shown on the product page.


What to expect

  • We dispatch Monday - Friday (excluding public holidays).
  • Once dispatched, you’ll receive tracking information (where available).
  • If delivery is delayed for any reason, we’ll contact you as soon as possible with an updated estimate.

Please note: we cannot be held responsible for missed deliveries. Customers are advised to check their spam or junk folder to ensure tracking information and estimated delivery details are received.


Specialist product delivery

Some products require specialist handling:

  • For Portable power please allow up to 4 working days for delivery.
  • Solar panels are shipped via our £100 pallet delivery service.
  • In some cases a third-party supplier may fulfil your order directly.

Delivery areas & restrictions

  • Northern Ireland, Scottish Highlands & Channel Islands: please contact us for shipping rates.
  • Portable power to Northern Ireland: we can’t currently ship these items due to insurance issues with the courier.
  • International delivery: unfortunately we do not currently offer international shipping.

Questions, problems, or returns?

RETURN POLICY

Last updated May 23, 2024

Thank you for your purchase, we hope you are happy with it.

However, if you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund, store credit, or an exchange; please see below for more information on our returns policy.

RETURNS

If you find you have received the wrong or damaged item(s), you need to contact us within 7 days of receipt of goods. Any time after this you are responsible for returning the goods at your own cost following the standard returns process.

All returns must be postmarked and in writing within fourteen (14) days of the purchase date. All returned items must be in a new, unopened and unused condition, with all original tags and labels attached.


RETURN PROCESS

To return an item, please click the ‘Download Returns Form’ below and complete all data fields. You can then email this to our team once completed.
Place your item(s) securely in its original packaging along with the returns form.
Please note that the RMA# on the returns address is your original order number; please ensure to reference this on the returns address, as per below.
You are now ready to mail your return to the following address:

Attn: Returns
RMA #/Order No -
Eco WizardUnderfloor Wizard Ltd t/a ECO Wizard
Beechfield House
Winterton Way
Macclesfield
Cheshire
SK11 0LP
United Kingdom

We ask that all customers when returning products send the goods via a trackable courier service. Underfloor Wizard Ltd t/a ECO Wizard will not be held responsible for goods which do not arrive at our premises.

Please note, you will be responsible for all return shipping charges, unless in the instance of damaged/faulty goods received in which case we can issue you with a returns label to cover the cost of postage.

Download Returns Form

REFUNDS

After receiving your return and inspecting the condition of your item, we will process your return or exchange. Please allow at least seven (7) days from the receipt of your item to process your return or exchange. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your return has been processed.

Faults on installed products: 

If a product that has been installed develops a fault, please contact us, do not uninstall the product yourself. We will arrange for an engineer or technical support from the brand to assist with diagnosing the fault. Once the fault has been confirmed we can then arrange for the necessary next steps to occur.


EXCEPTIONS

The following items cannot be returned or exchanged:

  • opened box, damaged, missing or incomplete items cannot be returned.
  • items that have been installed.


QUESTIONS
If you have any questions concerning our return policy, please contact us at: returns@ecowizard.co.uk

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