Item

Description

Part Number

1

Burner Housing

6206

2

Air Tube-HSG200 6”

6206-1

 

Air Tube-HSG400 6 1/4”

6206-2

 

Air Tube-HSG200/400 9”

6206-3

3

Air Tube-HSG200/400 12”

6206-4

Air Cone-(HSG200 only)

6206-5

4

Adjustable Flange Assembly

6206-6

5

Flange Gasket

6206-7

6

Blower Wheel HSG200 5 1/4”OD

6206-8

7

Blower Wheel HSG400 5 1/2” OD

6206-9

Blower Wheel Bushing (Used with 62355-001 Motor Oil)

6206-10

8

Side Plate (Used with 62355-001 Motor Oil)

6206-11

9

Side Plate (Used with 20627 Motor Oil)

6206-12

Motor Shaded Pole 1/12 HP 3200 RPM 115V60

6206-13

10

Motor Split Phase 1/7 or 1/8 HP 3450 RPM 115V60

6206-14

Combustion Air Inlet Damper

6206-15

11

Control Box

6206-16

12

30 Sec. Prepurge Timer:

Used with Primary

 

Safety ControlHSGP/N’s 6206-22 & 6206-21

 

13

(Special Limit Applications Only)

6206-17

24 Volt Transformer

6206-18

14

Motor Relay

6206-19

15

Primary Safety Control H’Well S89-F1007 w/30 Sec Prepurge

6206-20

19

Primary Safety Control Fenwall 05-319000-251 w/30 Sec Prepurge

6206-21

ThermostatGAS

 

 

NOTE: Not to be used with Honeywell VR845M-5006 gas valve.

6206-22

 

Primary Safety Control H’Well S89E-1033 w/o 30 Sec. Purge

 

(Special Limit Applications Only)

 

 

 

Primary Safety Control Fenwall 05-319-000-051 w/o 30 Sec Purge

6206-23

 

(Special Limit Applications Only)

 

 

 

NOTE: Not to be used with Honeywell VR845M-5006 gas valve.

6206-24

 

Primary Safety Control Mounting Plate Fenwall Primary Only

16

Damper Indicator Pointer

6206-25

17

Air Proving Switch, Only

6206-26

18

Air Proving Switch/Mounting Plate Slot Cover Assembly

6206-27

 

Terminal Strip

6206-28

20

Adjustment Arm Off-Cycle Damper

6206-29

21

Off-Cycle Damper Plate

6206-30

22

Mounting Bracket Off-Cycle Damper

6206-31

23

Junction Box

6206-32

24

Ignition Transformer 7500V

6206-33

25

Electrode Assembly

6165

BURNER31 11”

26

Sensor Probe Assembly

6166

27

Insulator Bushing

6206-34

28

Chamber/Manifold-HSG200 6”

6206-35

 

Chamber/Manifold-HSG400 6 1/4”

6206-36

 

Chamber/Manifold-HSG200 9”

6206-37

 

Chamber/Manifold-HSG400 9”

6206-38

 

Chamber/Manifold-HSG200 12”

6206-39

 

Chamber/Manifold-HSG400 12”

6206-40

29

Clip, Electrode Bracket

6206-41

30

Electrode Bracket Support (Includes Items 27, 29 and Set Screws)

6206-42

 

Sensor Wire-6”, 6 1/4” Burner

6206-43

 

14” Sensor Wire-9” Burner

6206-44

 

17” Sensor Wire-12” Burner

6206-45

32

8” Ignition Wire-6”, 6 1/4” Burner

6206-46

 

11” Ignition Wire-9” Burner

6206-47

 

14” Ignition Wire-12” Burner

6206-48

33

Baffle Plate (Not used on HSG 6” and 6 1/4”

6206-49

34

Top Plate/Housing Cover

6206-50

35

Strain Relief Bushing/Sensor Wire

6206-51

36

Strain Relief Bushing/Sensor Wire

6206-52

37

Orifice Housing

6206-53

38

Orifice Spring

6206-54

39

Orifice Gasket

6206-55

40

Orifice Cap

6206-56

41

Gas Valve Honeywell VR8450M-HSG200

6206-58

 

Gas Valve Honeywell VR845M-5006, HSG400

6356

 

NOTE: Not to be used with Fernwall primary safety controls

 

42

05319000-051 & 05-319000-251

 

6206-60

Orifice Package-HSG200

43

Orifice Package-HSG400

6206-61

Optional Pedestal Mounting (Not shown)

6206-62

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A.O. Smith BTP-370, BTP-199, BTP-139, BTP-270 manual BURNER31, Description Part Number
Page 3 Page 4

BTP-139, BTP-370, BTP-270, BTP-199 specifications

A.O. Smith is a globally recognized leader in water heating technology, providing a wide range of products that cater to various needs. Among its popular models are the BTP-270, BTP-139, BTP-199, and BTP-370. These units are distinct in their functionalities and specifications, catering to both residential and commercial applications.

The BTP-270 is a robust water heater known for its impressive 270,000 BTU output. This model is equipped with advanced insulation technology, ensuring minimal heat loss and enhancing energy efficiency. Its commercial-grade build is designed to handle heavy demand, making it ideal for restaurants, hotels, and other high-volume establishments. The unit features a digital display for easy monitoring and adjustments.

Next in line is the BTP-139, which offers a more compact solution with a 139,000 BTU capacity. This model is especially suited for small to mid-sized businesses. It includes a precision thermostat that maintains temperature accuracy for optimal performance. The BTP-139 also boasts a durable construction, ensuring longevity and reliable service over time.

The BTP-199 model stands out with its 199,000 BTU output, providing a balance between size and performance. It is designed with state-of-the-art gas burner technology, ensuring efficient combustion and reduced emissions. This model has a user-friendly interface that simplifies operation and maintenance. Enhanced diagnostics features help identify potential issues, allowing for timely interventions.

Lastly, the BTP-370 offers a high-capacity input, reaching up to 370,000 BTU. This model is an excellent choice for larger commercial settings that require extensive hot water supplies, such as hospitals and large manufacturing facilities. It is equipped with advanced controls and safety features, including multiple safety shut-off options and a high-temperature limit switch, ensuring safe operation under demanding conditions.

All four models leverage A.O. Smith's dedication to innovation, energy efficiency, and reliability. They incorporate durable materials to withstand the rigors of daily use and come with options for both propane and natural gas configurations, catering to diverse fuel requirements. With these features, A.O. Smith’s BTP series presents compelling options for businesses looking to optimize their water heating solutions.
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