Technical specifications

EQ / EQB

		EQ 115	EQ 155	EQ 200	EQ 280	EQ 380	EQB 115	EQB 155	EQB 200
Gas data natural gas 2H (G20)
Input*	kW	9.3	11.3	18.3	23.1	27.4	9.3	11.3	18.3
Output	kW	7.4	9.0	14.0	16.0	19.2	7.4	9.0	14.0
Inlet pressure	mbar	20	20	20	20	20	20	20	20

Burner pressure	mbar	12.5	12.5	10.5	11.5	10.0	12.5	12.5	10.5

Gas consumption**	m3/h	0.9	1.1	1.7	2.2	2.6	0.9	1.1	1.7
Diameter pilot orifice	mm	2 x 0.27	2 x 0.27	2 x 0.27	2 x 0.27	2 x 0.27	2 x 0.27	2 x 0.27	2 x 0.27

Diameter main orifice	mm	2.35	2.60	3.5	3.9	4.5	2.35	2.60	3.5
Max. flue gas temperature	°C	255	200	160	255	290	255	200	160

Gas data butane 3+ (G30)
Input*	kW	10.1	12.2	17.6	21.8	29.6	10.1	12.2	17.6
Output	kW	8.2	9.9	13.7	15.5	21.2	8.2	9.9	13.7
Inlet pressure	mbar	30	30	30	30	30	30	30	30

Burner pressure	mbar	-	-	-	-	-	-	-	-

Gas consumption**	kg/h	0.7	0.9	1.3	1.6	2.2	0.7	0.9	1.3
Diameter pilot orifice	mm	0.22	0.22	0.22	2 x 0.16	2 x 0.16	0.22	0.22	0.22
Diameter main orifice	mm	1.40	1.50	1.95	2.20	2.50	1.40	1.60	1.95
Max. flue gas temperature	°C	255	200	160	255	290	255	200	160

Gas data propane 3+ (G31)
Input*	kW	9.8	11.8	17.2	20.9	26.6	9.3	11.7	17.6
Output	kW	7.9	9.6	13.4	14.8	19.0	7.6	9.5	13.7
Inlet pressure	mbar	37	37	37	37	37	37	37	37

Burner pressure	mbar	-	-	-	-	-	-	-	-

Gas consumption**	kg/h	0.7	0.8	1.2	1.5	1.9	0.7	0.8	1.2

Diameter pilot orifice	mm	0.22	0.22	0.22	2 x 0.16	2 x 0.16	0.22	0.22	0.22
Diameter main orifice	mm	1.40	1.50	1.95	2.20	2.50	1.40	1.60	1.95
Max. flue gas temperature	°C	255	200	160	255	290	255	200	160

Draw-off capacity
Storage capacity	l	109	144	181	265	355	109	144	181
Max. temperature setting	°C	71	71	71	71	71	81	81	81
30 min. ∆T=44°C	l	169	216	296	394	508	169	216	296
60 min. ∆T=44°C	l	241	304	433	550	695	241	304	433
90 min. ∆T=44°C	l	314	392	569	707	883	314	392	569
120 min. ∆T=44°C	l	386	480	706	864	1070	386	480	706

Continuous ∆T=44°C	l/h	144	175	273	313	375	144	175	273

Heating-up time ∆T=44°C	min.	45	49	40	51	57	45	49	40
30 min. ∆T=50°C	l	149	190	260	347	447	149	191	260
60 min. ∆T=50°C	l	212	268	381	484	612	212	268	381
90 min. ∆T=50°C	l	276	345	501	622	777	276	345	501
120 min. ∆T=50°C	l	339	422	621	760	942	339	422	621
Continuous ∆T=50°C	l/h	127	154	241	275	330	127	154	241
Heating-up time ∆T=50°C	min.	51	56	45	58	65	51	56	45
30 min. ∆T=55°C	l	135	173	237	315	406	135	173	237
60 min. ∆T=55°C	l	193	243	346	440	556	193	243	346
90 min. ∆T=55°C	l	251	313	455	565	706	251	313	455
120 min. ∆T=55°C	l	309	384	565	691	856	309	384	565
Continuous ∆T=55°C	l/h	116	140	219	250	300	116	140	219
Heating-up time ∆T=55°C	min.	57	62	50	63	71	57	62	50
General
Anodes	-			1				1
Maximum working pressure	bar			8				8
Maximum weight	kg	156	196	256	382	499	156	196	256
Shipping data
Weight empty	kg	47	52	75	117	144	47	52	75
Weight incl. packaging	kg	51	57	81	135	162	51	57	81
Width packaging	mm	530	580	570	780	780	530	580	570
Height packaging	mm	1140	1250	1580	1640	1830	1140	1250	1580
Depth packaging	mm	570	630	650	870	870	570	630	650

* Gas data on gross value

** Gas consumption at 15°C and 1013.25 mbar

EQ / EQB specifications

A.O. Smith is renowned for its high-quality water heating solutions, and the EQ and EQB series epitomize this dedication through their advanced technologies and user-centric features. The EQ and EQB series are designed to meet diverse residential and commercial hot water needs while prioritizing energy efficiency and performance.

One of the standout features of the A.O. Smith EQ and EQB series is their advanced energy efficiency. These water heaters are designed to minimize energy consumption, ensuring that users can enjoy hot water without excessive utility bills. The innovative insulation technology significantly reduces heat loss, enhancing overall performance and energy savings.

Another significant characteristic of the EQ series is its intuitive digital control system. This smart technology allows users to set the desired water temperature with ease, ensuring that hot water is available precisely when needed. Additionally, the digital display provides essential real-time feedback on temperature and energy usage, enhancing visibility and control over the water heating process.

The EQ and EQB models are constructed with durability in mind. Made with high-quality materials, they offer longevity and a robust performance, making them a worthwhile investment for any household or commercial establishment. The models often feature advanced anode rods designed to extend the lifespan of the tank by providing superior corrosion resistance, contributing to the overall reliability of the heater.

Safety is also a top priority in the EQ and EQB series. These models are equipped with advanced safety features, including automatic shut-off mechanisms and built-in temperature controls to prevent overheating. Users can rest assured knowing that their water heating system is safe for use in any environment.

In addition to their impressive features, the EQ and EQB series are available in various sizes and capacities to accommodate different hot water requirements. Whether for a small home or a larger establishment, A.O. Smith ensures that there is a model suited to meet the specific needs of every user.

In summary, A.O. Smith’s EQ and EQB series embody the ideal blend of efficiency, durability, and safety. With advanced digital controls, exceptional energy-saving features, and a commitment to quality, these water heaters are designed to provide reliable hot water solutions for years to come. They stand out in the market as a trusted choice for those seeking excellence in water heating technology.

Technical specifications

Gas data natural gas 2H (G20)

Gas data butane 3+ (G30)

Gas data propane 3+ (G31)

Draw-off capacity

Shipping data

EQ / EQB specifications