LB/LW PROPANE GAS TRAIN ASSEMBLY - MODEL 750

 

 

Item

Description

Model 750

Item

Description

 

Model 750

1

Valve, Main Gas

77780

12

Nipple, 1-1/4"

 

86505-3

 

2

Regulator, LP

192460

13

Nipple, 1-1/4"

 

86397-11

 

3

Valve, Manual Shut-Off

3423-3

14

Nipple, 1-1/4"

 

86505-4

 

4

Pipe Plug

3348

15

Tee, 1/8"

 

192465

 

5

Switch, Low Gas Pressure

191149-3

16

Connector, Angle 1/8"

 

1578

 

6

Nipple, 1-1/4"

86505-8

17

Bleeder, Tube

 

210016

 

7

Nipple, 1-1/4

86505-2

18

Bleeder, Tube

 

192461

 

8

Nipple, 1-1/4"

86505-10

19

Bushing, 1" x 1-1/4"

 

99376

 

9

Elbow, Union ,1-1/4"

86506

20

Nipple, Close Stainless

...............................

191772

 

10

Elbow, 90° Street , 1-1/4"

94516

21

Orifice, Union

See Orifice Table Below

11

Elbow, 90°, 1-1/4"

192216

 

 

 

 

 

 

 

 

 

 

 

LB/LW 750 ORIFICE TABLE

 

 

 

 

 

Propane Gas

Size (In.)

Elevation (Ft.)

 

 

 

 

 

 

192741-3

0.286

0 - 2000

 

 

 

 

 

 

192741-5

0.282

2001 - 3000

 

 

 

 

 

 

192741-7

0.278

3001 - 4000

 

On LB models the circulating pump must be between

the boiler inlet and the bypass (see figure below). LW models have pump mounted inside the jacket.

Please update these numbers

LB/LW BY-PASS PARTS LIST - MODEL 750

Item

Description

Model 750

1

Ball Valve

191935

2

Hex Reducing Bushing LW Models

 

..... (for use w/Relief Valve)

91940-1

3

Relief valve:

 

.....

LB Model

210451-1

.....

LW Model

98883-3

4

Tee, 2" x 2" x 1"

78685-2

5

Tee, 2"

191584

6

Tee, 2" x 2" x 2"

78685-4

7

Valve, Drain

26273

*8

Valve, Manual Shutoff

3423-3

*9

Orifice, Gas Assembly (See Orifice Table)

 

*10

Tube, Condensate

191746-120

*11

Strap, Cable

99592-2

*Item Not Illustrated.

9

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Image 9
A.O. Smith 750 & 1000 86397-11, 86505-4, 192465, 1578, 210016, 192461, 86505-10, 99376, Nipple, Close Stainless 191772

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.