The Ariston Nuos Plus S2 WiFi is a wall-mounted domestic hot water heat-pump unit leveraging clean R290 refrigerant. With embedded Wi‑Fi control via the Ariston NET app, it allows remote scheduling and real‑time monitoring. It's built to reduce electricity use by up to 80% compared to conventional electric heaters, while maintaining quiet operation (≈ 45 dB) and rapid heating performance thanks to its Boost mode. Ideal for homes seeking smart, sustainable hot water production with flexibility, comfort, and high energy savings.
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€1.267,60 - €1.448,56
€1.356,36
€1.448,56
€1.267,60
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Product Details
Technical Specifications
Feature
Specification
Models (Tank capacity)
Nuos Plus S2 WiFi 80 L, 110 L, 150 L
Refrigerant
R290 (propane), low GWP (< 3), ~150 g charge
Tank material
Titanium‑enameled steel with dual anode (ProTech + magnesium)
Installation type
Vertical wall-mounted compact monobloc
Operating air temp. range
–10 °C to +42 °C (heat‑pump mode)
Max hot water temp.
Up to 60 °C with heat‑pump; up to ~75 °C with electric backup
Energy efficiency
Class A+; SCOP up to ~2.74 at 7 °C, ~3.1 at 14 °C
Heating performance (110 L)
COP ~3.1 at 14 °C; ~4h 40m to heat from cold; ~280 W nominal power, max ~1 550 W
Backup heater
~1 200 W electric resistance
Noise level
Silent mode ≈ 45 dB(A)
Controls & Connectivity
Integrated LCD touch panel; Wi‑Fi via Ariston NET app; voice control; weekly scheduling; smart modes: Green, Comfort, Boost, i‑Memory, Holiday, Silent; photovoltaic & Bus BridgeNet integration
Dimensions (110 L model)
~1403 × 506 × 520 mm (H×W×D)
Weight
~55 kg for 110 L; ~61 kg for 150 L capacity
Max operating pressure
~8 bar
Warranty
Typically 3 years overall, up to 5 years on tank (model‑dependent)
Ratings And Reviews
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