BOSCH Gas condensing boiler, wall-mounted CERASTARCOMFORT ZWR 18-8 KE 23

Type: ZWR 18-8 KE 23
Colour: white
Gas type: 23
Seasonal space heating energy efficiency class: C
Energy efficiency class spectrum: A+++ -> D
Seasonal space heating energy efficiency: 77 %
Rated heat output at 80/60 °C: 18 kW
Sound power level indoors: 46 dB(A)
Water heating energy efficiency class: B
Energy efficiency class spectrum: A+ -> F
Water heating energy efficiency at average climate: 66 %
Load profile: L
max. rated heat output: 17.8 kW
max. rated heat input: 20.2 kW
min. heat output adjustable: 8.9 kW
max. heat output adjustable: 17.8 kW
max. flow temperature: 88 °C
electrical connection: 230 V
electrical frequency: 50 Hz
gas connection: R 3/4 inch
flue pipe connection: 110 mm
max. electrical power consumption: 85 W
Protection class (EN 60529): IPX4D,(B23/B33:IPX0D)
Hot water flow rate (tz=60°C, tk=10°C): 5.2 l/min
min. outlet temperature (adjustable): 40 °C
max. outlet temperature (adjustable): 60 °C
Standard efficiency according to DIN 4702 (Hi): 93 %
Standard efficiency according to DIN 4702 (Hs): 83.8 %
Flue gas temperature at max. rated heat input with ATB: 142 °C
Width: 440 mm
Height: 850 mm
Depth: 380 mm
Net weight: 40 kg
Set for natural gas E, natural gas H
Manufacturer: Bosch Thermotechnik GmbH
Order no.: 7736901018
Packaging dimensions: 506x422x951 mm
Total weight including packaging: 42 kg