Condensing water heaters

WHC900

T usage 38°C - T inlet 10°C - T accumulo 80°C

171 min

recovery time
(ΔT= 70°C)

x 54

N° showers period: 5 min flow: 8 l/min

x 119

N° sinks period: 3 min flow: 6 l/min

x 36

N° sinks period: 10 min flow: 6 l/min

x 18

N° commercial sinks period: 10 min flow: 12 l/min

x 13

N° bathtubs capacity: 170 l

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Overview

condensing storage water heater
sealed combustion chamber
double enamelling glass porcelain tank
magnesium anode for corrosion protection
premix stainless steel multi gas burner
high efficiency AISI 316 stainless steel
designed for natural gas (NG) and exchanger NG ready and propane conversion
easy floor installation
different configuration smoke exhaust system options (horizontal or vertical, concentric, single wall) the usage of original exhaust kit is indispensable for a proper functioning supplied standard
electronic ignition
elevate closed cell polyurethane foam insulation

Components

5 cm thick closed-cell polyurethane foam insulation
Overpressure safety valve
Steel tank with inner double enamel coating
Anode
Flange for inspection
Water pump
Flow switch
Gas inlet
Fan
Control Panel
Flue connection

Specifications

Nominal storage capacity	L	856
Empty weight	kg	272
Filled weight	kg	1128
Rated heat input [Qn]	kW	25,0
Minimum heat input [Qm]	kW	8,5
Rated heat output [Pn]	kW	24,5
Minimum heat output [Pm]	kW	8,3
Gas consumption [G20]	m³/h	2,7
Flue gas temperature [G20]	°C	68
Efficiency (PCI) [G20]	%	108
Nitrogen oxide emission [NO_x]	mg/kWh	53
Noise level inside [LWA]	dB	53
Energy efficiency class		A
Efficiency [ηwh]	%	116
Load profile		XXL
Annual electricity consumption [AEC]	kWh	22
Daily electricity consumption [Q_elec]	kWh	0,10
Annual fuel consumption [AFC]	GJ	16
Daily fuel consumption [Q_fuel]	kWh	21,0
Mixed water 40°C [V40]	L	1320
T cold	°C	15
T storage	°C	80
Draw-off capacity continuous withdrawal [ΔT=25°C]	l/h	841
Draw-off capacity continuous withdrawal [ΔT=50°C]	l/h	420
Recovery time [ΔT=25°C]	min	61
Recovery time [ΔT=50°C]	min	122
Draw-off capacity - single withdrawal [ΔT=25°C]	L	2.230
Draw-off capacity - single withdrawal [ΔT=50°C]	L	1.110
Draw-off capacity 60 min [ΔT=25°C]	L	3.071
Draw-off capacity 60 min [ΔT=50°C]	L	1.530
Power supply	V/Hz	230V ~ 50Hz
Power consumption	W	51
IP-classification	IP	21
Dimensions (w x d x h)	mm	920x1190x2114
Cold Water Inlet [F]	in	1 e 1/4
Hot Water Outlet [C]	in	1 e 1/4
Gas Inlet [G]	in	3/4
Recirculation [R]	in	1 e 1/4
Package Pcs.		1
Package Weight	Kg	297
Package Dimensions [w x d x h]	mm	1030x1300x2170

Dimensions

Downloads

WHC Manual of installation, use and maintenance.

DWG WHC900

Datasheet WHC900

EN-89:2015 WHC Certificate

WHC900 - ERP

Scarico fumi

The boiler is supplied without an exhaust kit. The following table shows available kits for this appliance.
Use only the original kits supplied by the manufacturer (to be purchased separately according to the type of exhaust intended).

AKIT11

Horizontal concentric flue kit Ø60 / 10
C1

Contents

Ø60 90° M/F PP elbow
Ø100 90° M/F PP elbow
Ø60 EPDM seal
Ø100 EPDM seal
Ø60 / 100 air intake/flue outlet terminal
Ø60 / 100 centering ring
Ø100 silicone wall cover
Ø60 x 810 black M/M PP pipe - UV resistant
Ø60 x 1000 M/F PP pipe
Ø100 x 750 M/M PP pipe

Dimensions and limits of use

Accessories and extensions

Photo	Code
	AKIT11-01	Concentric extension pipe Ø60/100 L= 500
	AKIT11-02	Concentric extension pipe Ø60/100 L= 1000
	AKIT11-03	Concentric extension pipe Ø60/100 L= 2000
	AKIT11-04	Concentric elbow Ø60/100 - 45°
	AKIT11-05	Concentric elbow Ø60/100 - 90°

AKIT13

Horizontal concentric flue kit Ø80 / 125
C1

Contents

Ø125 90° M/F ALU elbow
Ø80 EPDM seal
Ø125 EPDM seal
Ø80 / 125 air intake/ flue outlet coaxial terminal
Ø80 / 125 centering ring
Ø60 M / Ø80 F PP reducing adapter
Ø125 / 100 coaxial reducing adapter
Ø80 x 500 M/F PP pipe
Ø125 x 500 M/F ALU pipe

Dimensions and limits of use

Accessories and extensions

Photo	Code
	AKIT13-01	Concentric extension pipe Ø80/125 L= 500
	AKIT13-02	Concentric extension pipe Ø80/125 L= 1000
	AKIT13-03	Concentric extension pipe Ø80/125 L= 2000
	AKIT13-04	Concentric elbow Ø80/125 - 45°
	AKIT13-05	Concentric elbow Ø80/125 - 90°

AKIT12

Horizontal single wall flue kit Ø80 / 80
C4,C5,C8

Contents

Ø80 90° PP M/F elbow
Ø80 air intake stainless steel grid
Ø80 flue outlet stainless steel grid
Ø80 EPDM seal
Adapter from Ø60 / 100 to Ø80 - 80
Ø80 silicone wall cover
Ø80 x 1000 PP M/F pipe
Ø80 x 1000 PP M/M pipe

Dimensions and limits of use

Accessories and extensions

Photo	Code
	AKIT12-01	Extension pipe Ø80 L= 250
	AKIT12-02	Extension pipe Ø80 L= 500
	AKIT12-03	Extension pipe Ø80 L= 1000
	AKIT12-04	Extension pipe Ø80 L= 2000
	AKIT12-05	Elbow Ø80 - 45°
	AKIT12-06	Elbow Ø80 - 90°