ELECTRICAL/RECOVERY Data

WATER BOILER SPECIFICATIONS

Model Number			BTU Output	Gal./Hr.	Number of	Number of	Standard Number			Amperage 3 Phase
	Gal.	Std. KW	BTU Output	Gal./Hr.	Number of	Number of	Standard Number			Amperage 3 Phase
Prefix	Cap.	Input		100°F Rise	Elements	Steps	and KW of Steps
Prefix	Cap.	Input		100°F Rise	Elements	Steps	and KW of Steps	208v		240V		480V	575V
NW	37	45K	153,585	180	3	1	1@45	128		108		55	45
NW	37	60K	204,720	240	4	1	1@60	171		144		73	60
NW	37	75K	255,975	300	5	1	1@75	213		180		90	75
NW	37	90K	307,170	369	6	3	3@30	250		217		108	90
NW	37	105K	358,365	430	7	4	3@30+1@15	292		253		126	105
NW	37	120K	409,560	492	8	4	4@30	334		289		144	121
NW	37	150K	511,950	615	10	5	5@30	417		361		180	151
NW	37	180K	614,340	738	12	5	4@30+1@60	500		433		216	181
NW	60	210K	716,730	861	14	5	3@30+2@60	584		505		252	211
NW	60	240K	819,120	984	16	5	2@30+3@60	668		577		288	241
NW	60	270K	921,510	1107	18	5	1@30+4@60	751		650		324	271
NW	60	300K	1,023,900	1230	20	5	5@60	834		722		360	301
NW	96	330K	1,126,290	1353	22	6	5@60+1@30	917		794		396	331
NW	96	360K	1,228,680	1476	24	6	6@60	1001		866		432	362
NW	96	390K	1,331,070	1599	26	7	6@60+1@30	1084		938		468	392
NW	96	420K	1,433,460	1722	28	7	7@60	1168		1010		504	422
NW	96	450K	1,535,850	1845	30	8	7@60+1@30	1251		1083		540	452
NW	96	480K	1,638,240	1968	32	8	8@60	1334		1155		576	487
NW	150	540K	1,843,020	2214	36	9	9@60	1501		1299		648	542
NW	150	600K	2,047,800	2460	40	10	10@60	1668		1443		720	602
NW	150	660K	2,252,580	2706	44	10	8@60+2@90					792	663
NW	150	720K	2,457,360	2952	48	8	8@90					864	723
NW	220	780K	2,662,140	3198	52	9	8@90+1@60					936	783
MW	220	840K	2,866,920	3444	56	10	9@90+1@30					1008	843
NW	220	900K	3,071,700	3690	60	10	10@90					1080	904
NW	220	960K	3,276,480	3936	64	10	8@90+2@120					1152	964
NW	220	1020K	3,481,260	4182	68	10	6@90+4@120					1224	1024
NW	220	1080K	3,636,040	4428	72	10	4@90+6@120					1296	1084
NW	220	1140k	3,890,820	4674	76	10	2@90+8@120		Recommended		Recommended	1368	1145
NW	334	1740K	5,938,630	7134	116	15	2@90+13@120		Recommended		Recommended	2068	1747
NW	334	1200K	4,095,600	4920	80	10	10@120					1440	1205
NW	334	1260K	4,300,380	5166	84	10	8@120+2@150					1512	1265
NW	334	1380K	4,709,940	5658	92	10	4@120+6@150					1656	1386
NW	334	1500K	5,119,500	6150	100	10	10@150					1800	1506
NW	334	1620K	5,529,060	6642	108	15	6@90+9@120					1944	1627

NW	400	1800K	6,143,400	7380	120	15	15@120		Not		Not	2160	1807
NW	400	1860K	6,348,180	7626	124	15	13@120+2@150		Not		Not	2232	1868
NW	400	1860K	6,348,180	7626	124	15	13@120+2@150					2232	1868
NW	400	1980K	6,757,740	8118	132	15	9@120+6@150					2376	1988
NW	400	2100K	7,167,300	8610	140	15	5@120+10@150					2520	2109
NW	500	2200K	7,576,860	9102	148	15	1@120+14@150					2664	2229
NW	500	2340K	7,986,420	9594	156	20	18@120+2@90					2808	2350
NW	500	2460K	8,395,980	10080	164	20	18@120+2@150					2952	2470
NW	500	2580K	8,805,540	10578	172	20	14@120+6@150					3096	2590
NW	670	2700K	9,315,100	11070	180	20	10@120+10@150					3240	2711
NW	670	2820K	9,624,660	11562	188	20	6@120+14@150					3384	2832
NW	670	2940K	10,034,220	12054	196	20	2@120+18@150					3528	2952
NW	670	2940K	10,034,220	12054	196	20	2@120+18@150					3528	2952

NOTE: For boilers 3000KW to 6000KW consult factory.

MODEL AND RATING PLATE

NW 37-670 specifications

A.O. Smith NW 37-670 is a highly regarded water heater that stands out in the residential water heating market. Renowned for its efficiency and reliability, this unit offers homeowners a perfect blend of advanced technology, high performance, and convenience.

One of the main features of the A.O. Smith NW 37-670 is its high recovery rate, which allows for rapid heating of water to meet the demands of a busy household. With a 37-gallon tank capacity, this model can effectively supply hot water for various applications, such as showers, dishwashing, and laundry. The design incorporates a powerful heating element that ensures the water is heated quickly, thus minimizing wait times and improving overall comfort.

Efficiency is a cornerstone of the NW 37-670's design. This water heater features an impressive Energy Factor (EF), which translates to lower energy bills for homeowners. A.O. Smith has integrated advanced insulation materials to maintain water temperature longer, reducing the energy required for reheating. This not only helps in cutting down costs but also promotes eco-friendliness, making it an excellent option for environmentally conscious consumers.

The technology behind the A.O. Smith NW 37-670 includes a state-of-the-art electronic control system. This system continuously monitors the unit's performance and adjusts operations to optimize efficiency. Additionally, the water heater is equipped with a robust diagnostic system that provides real-time feedback, making it easier for homeowners to identify any potential issues before they escalate.

Durability is another defining characteristic of the NW 37-670. Constructed with high-quality materials, including a glass-lined tank for added protection against corrosion, this water heater is designed to last for years with minimal maintenance. The anode rod further enhances its longevity by reducing the potential for rust and increases the lifespan of the unit.

Installation and maintenance are straightforward due to the user-friendly design of the A.O. Smith NW 37-670. It can fit into various spaces, making it a versatile option for both new constructions and replacement projects. A.O. Smith also provides comprehensive support and warranty services, ensuring customer satisfaction and peace of mind.

In summary, the A.O. Smith NW 37-670 is a top-tier water heater that combines efficiency, advanced technology, and durable construction. With its substantial capacity, rapid recovery rate, and modern control features, it is an excellent choice for any home looking for dependable hot water solutions.