TECHNICAL DATA SHEET
RinNova Adaptive Fast is the new BIASI range of combined wall-mounted condensing boilers with exchanger/microaccumulator.
Biasi Condensing Boiler with Microaccumulation Rinnova Adaptive Fast 25S METHANE with Flue Gas Kit
Nominal heating/DHW heat output: 21.0 / 26.0 kW
Minimum heating/sanitary thermal input: 3.0 / 3.0 kW
Domestic hot water production: 12.8 l/min
Expansion vessel capacity: 7 l
NOx Class: 6
Degree of protection: IPX5D
Exchanger with microaccumulation
10-liter expansion vessel
High health comfort
Immediate hot water supply
High temperature stability
High modulation up to 1:9 / with e-garc (combustion control -> low CO and NOx emissions)
Electronic combustion control = low NOx emissions
FAST function
New ultra-low noise mixer
Low-consumption modulating circulator
Pressure transducer
Sanitary flow rate reading with operation up to 2.0 l/min
Digital control panel
Wi-Fi ready
Dimensions: 800 x 400 x 385 mm
Weight: 44 kg
RENEW ADAPTIVE FAST 
RinNova Adaptive FAST is the new wall-mounted condensing boiler with micro-accumulation, which allows, thanks to the FAST function, to always have a reserve of water ready for use.
The exclusive domestic hot water exchanger, with a 4-litre micro-accumulator, ensures immediate hot water delivery, even with minimal consumption, and high temperature stability.
The innovative Adaptive Gas technology allows the boilers to adapt completely autonomously to different types and qualities of gas, always ensuring efficient and safe combustion.
Thanks to its modern design, it is easy to install in domestic environments and is characterised by high sanitary comfort.
With the Biasi Connect app you can manage your boiler remotely.
To use it, you need the Biasi Connect KIT (purchasable separately) in addition to the advanced remote control (the latter is also essential to take advantage of the 65% Ecobonus).
The advanced control (class V) allows you to modulate the flow temperature of the system water based on the ambient temperature and the external temperature.
Feature List
Power supply: methane
Energy class: A
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