LB/LW NATURAL GAS TRAIN/BLOWER ASSEMBLY- MODEL 750

Item

Description

Model 750

Item

Description

Model 750

1

Blower

211614

21 ....

Nut, Hex 1/4"

170272

 

2

Blower Adapter Assembly

191645

22 ....

Orifice, Air

192737-1

 

3

Blower Manifold Assembly

191832

23 ....

Orifice, Union (See Orifice Table Below)

*4

Bracket, Blower

191773

24 ....

Plug, 1/8" Pipe

3348

 

*5

Clamp, Hose

191794

*25 ....

Port, Observation Lower

191572

 

6

Elbow, 1"

1630

*26 ....

Port, Observation Upper

191572-1

 

7

Face Bushing 1"x1 1/4"

99376

27 ....

Screen, Air Inlet

192041

 

*9

Flange, Observation Port

191573

*28 ....

Screw, Cap 1/4"

190960-2

 

10

Gasket, Blower

191623

 

*29 ....

Srew, Flathead #8-32 x 1/2"

191542

 

*11

Gasket, Burner

191564

 

*30 ....

Screw, Flathead #8-32 x 3/4"

191542-1

 

12

Gasket, Manifold

191565

 

31 ....

Switch, Low Pressure

191149-1

 

*13

Gasket, Port (1/8" Thick)

191576-1

 

33 ....

Tee, 1/8"

40119

 

*14

Gasket, Port (1/16" Thick)

191576

 

*34 ....

Tee, Union

191633

 

15

Manifold Assembly

191610

 

*35 ....

Tubing, Pressure

191562

 

16

Nipple, Close 1/8"

191147-1

 

*36 ....

Tubing, Top Cover Assembly

191925

 

17

Nipple, Close Stainless

191772

 

*37 ....

U-Bolt Assembly

191938-1

 

18

Nipple, 1x4 1/2" with Tap

86397-14

 

38 ....

Valve, Main Gas

78481-3

 

19

Nipple, 1" x 9 1/2"

86397

 

*39 ....

Washer, Lock 1/4"

1006

 

20

Nipple, 1" x 2"

1177

 

40 ....

Valve, Solenoid Gas

192189

 

20A ...

Nipple, 1"x15 1/2"

86397-13

 

41 ....

Shutter, Blower

211694

 

20B ...

Nipple, 1 1/4" x 2"

86505-29

 

20C ..

Nipple, 1"xClose

1342

42 ....

Flange, Shutter

211695

 

20D ..

Nipple, 1"x4"

86397-7

43 ....

Manual Firing Valve

3423-4

 

*Item Not Illustrated.

 

 

 

 

 

 

 

 

 

 

DETAILBACKVIEW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEGEND ORIFICE TABLE

for boilers built on or after 6/01/02.

Model

Natural Gas

Size (In.)

Elevation (Ft.)

LB & LW-750

191884-11

0.464

0 - 2000

LB & LW-750

191884-12

0.450

2001 - 3000

LB & LW-750

191884-13

0.443

3001 - 4000

Note: Manual firing valve (item 43) used on US models made on or after 6/1/02.

LEGEND ORIFICE TABLE

Model

Natural Gas

Size (In.)

Elevation (Ft.)

LB & LW-750

191884-3

0.484

0 - 2000

LB & LW-750

191884-5

0.469

2001 - 3000

LB & LW-750

191884-7

0.461

3001 - 4000

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A.O. Smith LB/LW: 500 manual Blower Adapter Assembly, Clamp, Hose, Gasket, Blower, Gasket, Manifold, Manifold Assembly

LB/LW: 500, 750 & 1000 specifications

A.O. Smith is a renowned name in the water heating and treatment industry, and their models, including the 750 and 1000, LB/LW: 500, showcase the company's commitment to innovation and efficiency. These water heaters are designed for both residential and commercial applications, combining advanced technology with practical features that enhance performance and usability.

One of the standout characteristics of the A.O. Smith 750 and 1000 models is their high efficiency. Both units are equipped with cutting-edge insulating materials that minimize heat loss, ensuring energy consumption is kept to a minimum. This efficiency not only helps reduce utility bills but also contributes to a smaller carbon footprint, making them a greener choice for consumers.

In terms of technology, these models are designed with advanced control systems that allow for precise temperature regulation. The intuitive digital interface is user-friendly, enabling users to easily adjust settings according to their needs. This feature is particularly valuable in commercial settings where hot water demands can vary significantly throughout the day.

The durability of the A.O. Smith 750 and 1000 water heaters is another notable advantage. Built with high-quality materials, these units are designed to withstand the rigors of regular use. The heating elements are protected from corrosion, and the tanks are designed to resist sediment buildup, which can prolong the lifespan of the units.

Safety is a priority in the design of these water heaters. Both models come with multiple safety features, including automatic shut-off systems and temperature control mechanisms, ensuring peace of mind for users. The LB/LW: 500 designation signifies the specific capacity and wattage options available, catering to a variety of hot water needs.

Another feature that sets A.O. Smith apart is the focus on maintenance. These heaters are designed for easy access to key components, simplifying routine maintenance procedures. Regular upkeep is essential for maintaining performance, and this thoughtful design aspect makes it easier for technicians to service the units.

In summary, the A.O. Smith 750 and 1000, LB/LW: 500 models exemplify modern water heating technology. With their high efficiency, advanced controls, durable construction, and safety features, they are sound investments for any household or business. These characteristics not only enhance user experience but also ensure long-term reliability, making A.O. Smith a trusted choice in the water heating market.