A.O. Smith BFC -100 Concentric connections, Practical example of concentric flue gas discharge

Models: BFC - 80 BFC -100

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Installation

Explanation of type of appliance

is

Type of appliance

Description

 

 

 

B23

Air for combustion is drawn from the boiler room.

 

 

 

C13

Concentric and / or parallel wall flue terminal

 

 

 

C33

Concentric and / or parallel roof flue terminal

 

 

 

C43

Appliances on common air supply and flue gas discharge (concentric and / or

 

 

parallel) in multi-storey building.

 

 

 

C53

Air supply and flue terminal types mixed.

 

 

 

C63

Appliances supplied without flue components and / or terminal. These

 

 

appliances must be installed in compliance with local regulations.

 

 

 

Note

Make sure that the chimney discharges into an area where this is permitted for this category of appliance.

3.9.3 Concentric connections

The table shows the requirements for concentric systems.

Warning

Install flue gas discharge pipe runs with a run-off of 5 mm per metre.

Flue gas discharge requirements for concentric systems (C13, C33)

Appliance

Diameter

Maximum length

Maximum

 

 

 

number of 90°

 

 

 

bends

BFC 80

130/200mm

15m

3

 

 

 

 

BFC 100

130/200mm

15m

3

 

 

 

 

 

 

 

 

Caution

Both conditions stated in the table must be fulfilled.

Even if there are less bends than the stated maximum, the maximum pipe length may not be exceeded.

Even if the total pipe length is less than the stated maximum, the maximum number of bends may not be exceeded.

The following example illustrates how to use the table.

Practical example of concentric flue gas discharge

Example

The figure shows a BFC 100 installation. The appliance must be fitted with 12m of concentric pipe (C13/C33) and three 90 degree bends. We need to check whether this configuration complies with the requirements stated in the table.

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Instruction manual BFC

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A.O. Smith BFC -100, BFC - 80 service manual Concentric connections, Practical example of concentric flue gas discharge

BFC - 80, BFC -100 specifications

A.O. Smith is a renowned name in the water heater industry, and its BFC series, which includes the BFC-100 and BFC-80 models, exemplifies their commitment to innovation and efficiency. These units are designed to meet the demanding needs of both residential and commercial applications, providing reliable hot water solutions.

The A.O. Smith BFC-100 and BFC-80 are distinguished by their high capacity and robust design. The BFC-100 model boasts a capacity of 100 gallons, while the BFC-80 is ideal for those requiring 80 gallons. This makes them suitable for larger households or commercial establishments where hot water demand can be significant.

One of the primary features of these models is their advanced heating technology. Both units utilize a high-efficiency burner that ensures rapid heating and minimal energy consumption. This means users benefit from shorter wait times for hot water, reducing overall energy costs. The BFC series is also equipped with a special flame retention head that enhances combustion efficiency and prolongs the lifespan of the unit.

In terms of construction, the BFC-100 and BFC-80 models are built with high-quality materials that enhance durability and resistance to corrosion. The tanks are insulated with high-density foam, which improves energy retention and helps maintain water temperature for longer periods. This is crucial for conserving energy and minimizing heating costs.

Safety is a top priority for A.O. Smith, and the BFC series reflects this commitment. Each unit comes with a range of safety features, including a temperature and pressure relief valve that prevents overheating and excessive pressure buildup. Additionally, they are designed to meet strict industry standards, ensuring peace of mind for users.

Installation of both models is straightforward, with flexible venting options that accommodate various building layouts. Whether you are upgrading an existing water heating system or installing a new one, the BFC series is designed to integrate seamlessly.

In summary, the A.O. Smith BFC-100 and BFC-80 are excellent options for those seeking reliable, efficient, and durable water heating solutions. With their impressive capacity, advanced heating technology, robust construction, and safety features, these models stand out in the market and are sure to meet the hot water needs of any household or commercial space. Whether for residential use or in a business setting, A.O. Smith’s BFC series represents quality and innovation in hot water heating.