RE Gas condensing wall-mounted boiler Calenta Ace-Matic 25 DS, 25 kW

Remeha Calenta Ace-Matic 25 DS gas condensing boiler as a wall-mounted unit for room-sealed or open-flued operation. CE-certified for closed heating systems according to DIN EN 12828. Monoblock heat exchanger made of stainless steel with integrated stainless steel premix burner, modulating from 10% to 100%. Speed-controlled fan with intake silencer, as well as gas valve with increased safety. Comfort Master gas firing automatic system with all necessary safety functions. Large menu-driven display for operating the boiler automatic system and the weather-compensated control, as well as the diagnostic system and display of maintenance intervals. Standard equipment with a weather-compensated control for one mixed and one unmixed heating circuit, as well as control of domestic hot water preparation and a circulation pump. Fully equipped with: 8-liter expansion tank, electronically controlled circulation pump with permanent magnet motor EEI < 0.20, three-way diverter valve for charging a domestic hot water cylinder, 3 bar safety valve, automatic air vent. Suitable for natural gas E/LL and LPG. Adjustable to natural gas E (H), PB. Steel sheet casing, color RAL 9003. Type: Calenta Ace-Matic 25 DS. Nominal heat output range: 2.8 to 27.2 kW (50/30), 3.0 to 25 kW (80/60). Flue gas connection: 60/100. Dimensions: H/W/D 763/450/352 mm. Weight 31 kg. Space heating energy efficiency class: A. Rated heat output (Prated): 25 kW. Space heating energy efficiency (etaS): 94%. Sound power level (Lwa/Indoor): 43 dB, Article number: 7883211