Description

De Dietrich Vivadens MCR 32/35 MI Condensing Gas Boiler

Looking for a powerful, dual-function heating solution designed for high domestic hot water demand? The De Dietrich Vivadens MCR 32/35 MI condensing gas boiler delivers top-tier performance, combining 32 kW for space heating with an upgraded 35 kW capacity for instant domestic hot water (DHW).

Engineered for reliability and low fuel consumption, this wall-mounted combi boiler achieves an impressive XXL load profile for hot water with an 89% DHW energy efficiency ( $\eta_{wh}$ ) rating. Its advanced gas-adaptive system ensures optimum efficiency across changing gas qualities while reducing seasonal heating costs.

Key Highlights:

High DHW Power (35 kW): Provides fast, consistent domestic hot water flow without requiring an external storage tank.

Superior Seasonal Efficiency: Delivers up to 94% seasonal space heating energy efficiency ( $\eta_s$ ).

Quiet & Eco-Friendly Operation: Low NOx emissions (22 mg/kWh) and integrated soundproofing for indoor installation ( $51\text{ dB(A)}$ ).

Compact & Easy to Install: Lightweight wall-mounted design suited for modern homes and apartments.

Technical Specifications

Technical Parameter	Value (Vivadens MCR 32/35 MI)
Generator type	Space Heating & DHW (Combi)
Rated heating capacity ( $P_{\text{rated}}$ )	32 kW
DHW Load Profile / Efficiency ( $\eta_{\text{wh}}$ )	XXL / 89 %
Usable output range ( $50/30^\circ\text{C}$ )	3.7 – 34.9 kW
Usable output range ( $80/60^\circ\text{C}$ )	3.4 – 32.0 kW
Seasonal energy efficiency ( $\eta_s$ )	94 %
Nitrogen oxide ( $\text{NO}_x$ ) emissions	22 mg/kWh
Auxiliary electricity consumption ( $el_{\text{max}}$ )	0.038 kW
Sound power level, indoors ( $L_{\text{WA}}$ )	51 dB(A)
Expansion vessel capacity	8 liters
Net weight (empty / filled)	29.2 kg / 31.7 kg