LB/LW WATERWAYS & COMBUSTION CHAMBER PARTS LIST

Item

Description

Model 500

Model 750

Model 1000

1

Bracket

191602

191602

191602

2

Burner, Assembly

211615

211615-1

211615-2

3

Combustion Chamber Assembly

191529-2

191529-3

192129-1

4

Connector, Hose

191765

191765

191765

5

Coupling, Flexible w/Gasket

191780

191780

191780-1

6

Cover, Outer

210408

210408

210404

7

Gasket, Outer

211594-1

211594-1

211594-1

8

Gasket, Burner

191564-1

191564-1

191564-1

9

Gasket, Inner

211594

211594

211594

10

Housing Assembly

212097

212097-1

212097-2

11

Ignitor

192334

192334

192334

12

Insulation, Burner

191618

191618

191618

13

Nut, Manifold

191555

191555

191555-1

14

O-Ring

191556

191556

191556-2

15

Probe, Outlet Temp./ECO

210572

210572

210572

16

Probe, Inlet Temp

210571

210571

210571

17

Screw, Machine #8-32, 3/8" Long, SST

210444

210444

210444

18

Screw, Machine #8-32, 1" Long SST

191770

191770

191770

*19

Sealer, Silicone Hi-Temp

191482-1

191482-1

191482-1

20

Sensor, Flame

210421

210421

210421

21

Spacer Ring

191554

191554

191554-1

22

Switch, Safety Flow

211480

211480

211480

23

Tee Assembly

191583

191583

192387

24

Tube Assembly, Primary (LW Models)

210900

210900

192388

24

Tube Assembly, Primary (LB Models)

210901

210901

192225

25

Tube Assembly, Outlet

210425

210425

210426

26

Tube Assembly, Secondary

210912

210912

192386

27

Washer, Flat #8 SST

191768

191768

191768

28

Restrictor-Air, Top Cover

191926-1

191926-1

191926-1

*Item Not Illustrated.

Note: Replacement housing assemblies (item 10) are currently all steel type. When replacing the housing assembly both the inner gasket (item 9) and outer gasket (item 7) must also be replaced. In addition, high temperature silicone sealant (item 19) is required to fix the gaskets to the surfaces.

The Tub Replacement Kit is available for replacing housing assemblies. When ordering use p/n 212108 for LB/LW 500 models, p/n 212108-1for LB/LW 750 models and p/n 212108-2for LB/LW 1000 models.

LW Models

LB Models

2

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A.O. Smith LB/LW 700, LB/LW 1000, LB/LW 500 manual LB/LW Waterways & Combustion Chamber Parts List

LB/LW 1000, LB/LW 500, LB/LW 700 specifications

A.O. Smith, a leader in water heating technology, offers an array of high-efficiency products designed for various residential and commercial applications. Among their esteemed product lineup are the LB/LW 700, LB/LW 500, and LB/LW 1000 models, each showcasing advanced features and sophisticated technologies.

The LB/LW 700 is renowned for its robust performance and reliability. It boasts a high-capacity burner system that enhances thermal efficiency, providing hot water on demand while minimizing energy consumption. With a multi-functional digital display, users can easily monitor temperatures and system performance, ensuring optimal operation. The LB/LW 700 also integrates a self-cleaning feature that reduces sediment build-up, prolonging the life of the unit and maintaining efficiency.

Turning to the LB/LW 500, this model provides an excellent balance between performance and size. It is ideal for smaller households or businesses that require less hot water without compromising on quality. The LB/LW 500 comes equipped with advanced insulation technology, which helps retain heat for longer periods, thereby reducing energy costs. Its compact design allows for versatile installation options, making it suitable for tight spaces. Additionally, its durable construction and corrosion-resistant materials ensure longevity in various environments.

The LB/LW 1000 stands out as A.O. Smith's powerhouse solution for high-demand applications. This model is engineered to handle large volumes of hot water with ease, making it perfect for larger residential properties or commercial establishments. The LB/LW 1000 utilizes cutting-edge energy-saving technologies, including a high-efficiency burner and system controller, which optimize fuel consumption and reduce emissions. Its intuitive control panel and connectivity options offer convenience and ease of use, enabling users to set preferences and monitor performance remotely.

Across the LB/LW series, A.O. Smith emphasizes sustainability by integrating green technologies that meet or exceed industry standards. All models are designed to minimize environmental impact while providing essential hot water solutions. The combination of reliability, efficiency, and modern convenience makes the LB/LW 700, LB/LW 500, and LB/LW 1000 excellent choices for anyone seeking quality water heating solutions. A.O. Smith continues to innovate, ensuring they remain at the forefront of the water heating industry.