Dimensional Data

SIZES AND DATA 45KW THRU 720KW

	Model Number												Inlet* &	Boiler
Prefix	Gal.Cap.	Std.KWInput	D	E	F	G**	H	J	K	S	T	U	Outlet*	Drain
NW	37	45K	32	30	12	42	12 1/2	-	-	20	4	42	3	1
NW	37	60K	32	30	12	42	12 1/2	-	-	20	4	42	3	1
NW	37	75K	32	30	12	42	12 1/2	-	-	20	4	42	2	1
NW	37	90K	32	30	12	42	12 1/2	-	-	20	4	42	3	1
NW	37	105K	32	30	12	42	12 1/2	-	-	20	4	42	3	1
NW	37	120K	32	30	12	42	12 1/2	-	-	20	4	42	3	1
NW	37	150K	32	30	12	42	12 1/2	-	-	20	4	42	3	1
NW	37	180K	32	30	12	42	12 1/2	-	-	20	4	42	3	1
NW	60	210K	32	30	12	57	12 1/2	-	-	20	4	57	3	1
NW	60	240K	32	30	12	57	12 1/2	-	-	20	4	57	3	1
NW	60	270K	32	30	12	57	12 1/2	-	-	20	4	57	3	1
NW	60	300K	32	30	12	57	12 1/2	-	-	20	4	57	3	1
NW	96	330K	40	38	16	691/2	17	1 1/2	17	24	5	78	4	1 1/4
NW	96	390K	40	38	16	69 1/2	17	1 1/2	17	24	5	78	4	1 1/4
NW	96	420K	40	38	16	69 1/2	17	1 1/2	17	24	5	78	4	1 1/4
NW	96	450K	40	38	16	69 1/2	17	1 1/2	17	24	5	78	4	1 1/4
NW	96	480K	40	38	16	69 1/2	17	1 1/2	17	24	5	78	4	1 1/4
NW	150	540K	54	44	19	69 1/2	20	2	20	27	5 1/2	69 1/2	5	1 1/2
NW	150	600K	54	44	19	69 1/2	20	2	20	27	5 1/2	69 1/2	5	1 1/2
NW	150	660K	54	44	19	69 1/2	20	2	20	27	5 1/2	69 1/2	5	1 1/2
NW	150	720K	54	44	19	69 1/2	20	2	20	27	5 1/2	691/2	5	1 1/2

*All fittings under 4” will be threaded type. All fittings 4” and larger will be flanged. 3” fittings extend 4” beyond jacket. ** Where overall height is a problem a larger diameter vessel with a reduced height may be furnished.

 Lifting lugs and channel skid base on 96 gallon and larger units.

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.