Vaillant
The Vaillant aroTHERM plus 10kW is a 10 kW monobloc air-source heat pump that uses R290 refrigerant, achieving an A+++ ErP rating and a SCOP of 5.03 at 35°C.
The Vaillant aroTHERM plus 10kW is a monobloc air-source heat pump designed for domestic heating applications. This unit operates on a 400V, 3-phase electrical supply and utilises R290 (propane) refrigerant, known for its low Global Warming Potential (GWP) of 3. It delivers a nominal heating capacity of 10 kW and achieves an ErP rating of A+++ at both 35°C and 55°C flow temperatures. This page provides technical specifications, operational data, and frequently asked questions for UK heating engineers and homeowners.
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Full technical specifications extracted from the manufacturer brochure. Empty sections are hidden.
The Vaillant aroTHERM plus 10kW is an air-source monobloc heat pump, part of the aroTHERM plus range. This 10 kW unit is engineered for efficient domestic heating, featuring a Seasonal Coefficient of Performance (SCOP) of 5.03 at 35°C, contributing to its A+++ ErP rating for both 35°C and 55°C applications. It operates with R290 refrigerant, which has a GWP of 3, aligning with environmental considerations.
Electrically, the 10kW model requires a 400V, 3-phase supply, with a startup current of 23.3A. Physically, the outdoor unit measures 1565mm (H) x 1100mm (W) x 450mm (D) and weighs 194 kg. Hydronically, it maintains a maximum operating pressure of 2.5 bar and a minimum water flow rate of 16.58 litres per minute, necessitating a buffer tank. Sound emissions are rated at 58 dB(LwA), with a quiet mode reducing this to 30 dB, earning it Quiet Mark certification. The unit supports a maximum flow temperature of 75°C and is smart grid ready.
Common questions from engineers and homeowners about the Vaillant aroTHERM plus.
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Specifications on this page are extracted from the manufacturer brochure. Always cross-check against the latest datasheet before commissioning or quoting. Last updated 28 June 2026.