Vaillant Arotherm Plus 7 kW Heat Pump: Full Specifications, Suitability & Review     What Is the Vaillant aroTHERM Plus 7 kW (10037213)?   The Vaillant aroTHERM Plus 7 kW (10037213) is a single-phase, air-to-water monobloc heat pump designed for domestic space heating and hot water production. Refrigerant: Uses natural R290 (propane) with a Global … Continue reading Vaillant Arotherm Plus 7 kW Heat Pump (10037213)