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ATAG Combi Boilers

ATAG combi boilers give fast access to hot water by heating up water directly from the mains water supply though a narrow wall mounted boiler that are generally located in a kitchen or bathroom and tucked away within a cupboard.ATAG combi boilers are cost efficient units with low running costs that are ideally suited to apartments and small to medium sized houses with 1 to 2 bathrooms. ATAG combi boilers don't require hot water tanks or cylinders as a regular boiler or system boiler does therefore making these Alpha combi boilers less costly to install.

Boiler	Efficiency	Output	Warranty	Boiler Type
ATAG IC Economiser Plus 27kW Gas Combi Boiler	89.7%	27kW	10 Years	Combi
ATAG IC Economiser Plus 35kW Gas Combi Boiler	89.7%	35kW	10 Years	Combi
ATAG IC Economiser Plus 39kW Gas Combi Boiler	89.7%	39kW	10 Years	Combi
ATAG IC24 24kW Gas Combi Boiler	89.7%	24kW	10 Years	Combi
ATAG IC28 28kW Gas Combi Boiler	89.7%	28kW	10 Years	Combi
ATAG IC36 36kW Gas Combi Boiler	89.7%	36kW	10 Years	Combi
ATAG IC40 40kW Gas Combi Boiler	89.7%	40kW	10 Years	Combi

ATAG System Boilers

Boiler	Efficiency	Output	Warranty	Boiler Type
ATAG IS15 15kW Gas System Boiler	89.8%	15kW	10 Years	System
ATAG IS18 18kW Gas System Boiler	89.8%	18kW	10 Years	System
ATAG IS24 24kW Gas System Boiler	89.8%	24kW	10 Years	System
ATAG IS32 32kW Gas System Boiler	89.8%	32kW	10 Years	System
ATAG IS40 40kW Gas System Boiler	89.8%	40kW	10 Years	System

ATAG Regular Boilers

Boiler	Efficiency	Output	Warranty	Boiler Type
ATAG IR15 15kW Gas Regular Boiler	89.8%	15kW	10 Years	Regular
ATAG IR18 18kW Gas Regular Boiler	89.8%	18kW	10 Years	Regular
ATAG IR24 24kW Gas Regular Boiler	89.8%	24kW	10 Years	Regular
ATAG IR32 32kW Gas Regular Boiler	89.8%	32kW	10 Years	Regular
ATAG IR40 40kW Gas Regular Boiler	89.8%	40kW	10 Years	Regular

Atag Boiler Warranty

ATAG boilers includes a 10 year parts and labour warranty. An after-care warranty helpline is provided by ATAG which is 7 days a week and 24 hours a day customers with an ATAG boiler.

Atag Boiler Service

Atag Boiler Repairs

Atag Boiler Controls

Atag Boiler Error Codes

ATAG Boiler Error Codes

Fault Code	System Behaviour
10	Outside sensor error
20	Flow sensor error
40	Return sensor error
61	Bus communication error
78	Water pressure out of range
105	Venting program active when power turned on / interrupted (runs for 7 mins)
110	Exceeded safety temperature
111	Exceeded maximum pressure
119	X2 link position 4 and 5 missing
129	Fan doesn’t start
133	No flame after 5 ignition attempts
151	Fan error or control unit defective (speed control is not achieved)
154	Return greater than flow – flow temperature increases too fast
101	Overheat error
102	Pressure sensor fault
104	Flow check failed
108	Pressure needs filling to < 0.5 bar
1P4	Pressure needs filling to 0.5 – 0.8 bar
109	Pressure > Pmax error
110	Send probe damaged
112	Return probe error – could be damanged
114	Outdoor sensor error – could be damaged
141	Central heating flow switch is open
201	Domestic hot water (DHW) probe damaged
203	Tank probe damaged
303	Printed circuit board (PCB) error
304	Too many resets have occured
501	No flame detected
612	Fan fault – fan isn’t starting up

IC & IS Combi Boiler Error Codes

Fault Code	System Behaviour
50	Domestic hot water (DHW) sensor error
117	Pressure greater than 3 bar or pump pressure increase is too high
118	Pressure less than 1 bar or pump pressure increase too low (no pump detection).