Fig. 79

Burner

Gasket

Venturi

Injector

Cover

Gas Inlet Pipe

Gas Inlet

Fan

Venturi

Injector

Collector

Fig. 78

Fig. 80

When fitting the venturi ensure that the arrow is pointing forward

14.0Changing Components

14.3Fan (Fig. 79)

1.Undo the nut on the gas inlet pipe to the venturi (Fig. 79) and pull the sensing pipe off the fan.

2.Disconnect the electrode leads, noting their position and disconnect the fan electrical plugs.

3.Undo the screws securing the collector to the cover (33 models) or extension piece (24 & 28 models).

4.Remove the collector and fan assembly, being careful to retain the injector in the venturi.

5.Undo the screws securing the fan to the venturi and fit the new fan, replacing the seal if necessary.

6.Examine the burner gasket and replace if necessary.

7.Reassemble in reverse order, ensuring that the injector is in place and the sensing pipe is connected to the fan.

14.4Venturi (Fig. 78)

1.Remove the collector and fan assembly as described in section 14.3.

2.Extract the injector from the venturi.

3.Undo the screws securing the fan to the venturi and the venturi to the collector.

Important: When fitting the new venturi, ensure the arrows on it’s base point into the collector (Fig. 84).

4.Examine the seals and burner gasket, replace if necessary.

5.Reassemble in reverse order, ensuring that the injector is in place.

14.5Injector (Fig. 78)

1.Remove the collector and fan assembly as described in section 14.3.

2.Extract and replace the injector and reassemble in reverse order.

© Baxi Heating UK Ltd 2012

43

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Image 43
Baxi Potterton 47-393-42 Fan Fig, Venturi Fig, Injector Fig, Gasket Venturi Injector Cover Gas Inlet Pipe Fan Collector
Page 42 Page 44

47-393-40, 47-393-41, 47-393-39, 47-393-42 specifications

The Baxi Potterton 47-393-42, 47-393-39, 47-393-41, and 47-393-40 are models of high-efficiency gas boilers designed for residential heating. These models are well-known for their reliability, advanced technology, and user-friendly features, making them a popular choice among homeowners looking to improve their heating systems.

One of the standout features of these models is their energy efficiency. Each unit is engineered to comply with stringent energy-saving regulations, significantly reducing utility bills while maintaining optimal heating performance. They are rated with impressive efficiency ratings, which can lead to long-term savings and a reduced carbon footprint.

The Baxi Potterton range employs a heat exchanger system designed to maximize heat transfer and minimize energy waste. This sophisticated technology ensures that the boiler operates at peak efficiency, providing ample heating for homes even in the coldest months. The use of a durable, high-quality heat exchanger material contributes to the longevity of the unit, reducing the need for frequent repairs or replacements.

Ease of use is another hallmark of the 47-393 series. With an intuitive digital display, users can effortlessly monitor and adjust settings as required. The controls are straightforward, allowing for quick temperature adjustments, system diagnostics, and alerts, creating a hassle-free experience for homeowners.

Safety features are inherent in these models, including built-in safeguards against overheating and pressure fluctuations. The automatic shut-off mechanism ensures that the boiler operates within safe parameters, providing peace of mind to users.

Furthermore, maintenance is simplified with the easy access design. The accessible components make it straightforward for service technicians to perform routine checks and repairs. Regular maintenance is essential for sustaining high performance and extending the lifespan of the boiler.

In conclusion, the Baxi Potterton 47-393-42, 47-393-39, 47-393-41, and 47-393-40 models represent a blend of efficiency, safety, and convenience. Their advanced technologies and features not only enhance the user experience but also contribute to more sustainable heating solutions for homes. Investing in one of these advanced boilers ensures reliable performance, lower energy costs, and a commitment to environmental responsibility.
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