MicraCom combi boiler

Perfect in small spaces

Compact footprint and lightweight
Stainless steel heat exchanger
Compatible with the range of Glow-worm flues, controls and accessories
Available in easy-to-order horizontal and vertical flue packs

The new generation of MicraCom boiler has been developed to offer the essential functions to meet heating and hot water demands in the social housing sector.

The new range consists of two models, 24 and 28kW combi boilers containing a stainless-steel heat exchanger and has one of the smallest footprints on the market, making it cupboard-fit. Furthermore, the MicraCom comes complete with a 1.25m mains cable.

Key Features and Benefits

Stainless steel heat exchanger

Proven robust and successful concept with over 6 million installed boilers

Compact footprint

MicraCom is one of the smallest boilers available on the market with dimensions of 626mm x 400mm x 270mm

Comes complete with fittings pack

To ensure trouble free connections to the boiler via 15 and 22mm compression fittings and a gas valve with a gas test point accessible externally to the boiler

Boiler and flue packs available

Maximum 60/100 horizontal (C13) flue length will be 9m and maximum vertical flue length (C33) will be 10m

Boiler interface

Large illuminated white on black LED user interface with compact and bright display with six buttons

24-hour analogue timer available (Available as an accessory)

Hinges down from underneath the boiler and can be connected without removing the boiler case

LPG compatible

Allowing flexibility of install

Removable side panels

Easy access for service and maintenance

Specifications

Technical data	Unit	MicracCom 24	MicraCom 28
Horizontal flue pack		0010035782	0010035784
Vertical flue pack		0010035783	0010035785
Dimension
Side clearance	mm	5	5
Top clearance	mm	150	150
Top clearance for rear flue	mm	n/a	n/a
Bottom clearance	mm	180	180
Front clearance*	mm	500	500
Heating
Nominal heat output range at 50/30°C (condensing mode)	kW	6.5 - 20	7.7 - 25.9
Nominal heat output range at 75/55°C (condensing mode)	kW	6 - 18.3	6.9 - 23.9
Flow temperature	°C	30 - 75	30 - 75
Modulation (maximum)	1:X	1:3	1:4
Domestic hot water
Max. heat output water generation	kW	24	28
Min. operating pressure of boiler	bar	0.3	0.3
Lowest water flow for operation	l/min	1.7	1.7
DHW flow rate (at 35°C)**	l/min	9.9	11.5
Hot water output temp. range	°C	35 - 55	35 - 55
Mechanical
Gas inlet connection (pipe size)	mm	15	15
Heating flow and return connections (pipe size)	mm	22	22
Hot and cold water connections (pipe size)	mm	15	15
Filling loop supplied		No	No
Factory fitted timer		No	No
Boiler lift weight (Dry boiler)	kg	25.6	26.5
Performance
NOx (En 15502-2-1)	mg/kWh	27	32
ErP efficiency	%	92	93
ErP decibel rating	dBa	52	54
PCDB seasonal efficiency (SAP 2009/2012)	%	88.6	88.9
Fluing options
Max. horizontal flue length 60/100	m	9	9
Max. vertical flue length 60/100	m	10	10
Max. horizontal flue length 80/125	m	16	20
Max. vertical flue length 80/125	m	16	20
Rear flue options		No	No
Permissible flue classifications		C13, C33, C43, C53	C13, C33, C43, C53

*Can be reduced to 5mm if fitted behind removable door/panel

**Glow-worm combi boilers are fitted with a flow regulator set to achieve a temperature rise of 42°C. This maintains comfortable bathing and showering during the colder months of the year