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Baxi Potterton Condensing Combination Boiler manual Gas Valve Fig, Expansion Vessel Fig

Models: Condensing Combination Boiler

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Venturi Inlet

Pipe

Gas Valve

Sensing Pipe

Power Lead

Earth Lead

Gas Feed

Elbow

Fig. 99

Throttle

Adjustment Screw

14.0Changing Components

14.24Gas Valve (Fig. 99)

IMPORTANT: After replacing the valve the CO2 must be checked and adjusted as detailed in Section 15.0 Setting the Gas Valve. Only change the valve if a suitable calibrated combustion analyser is available, operated by a competent person - see section 13.1.

1.Turn the gas cock off and undo the nut on the gas feed elbow under the boiler.

2.Remove the screws securing the inlet pipe flange to the boiler bottom panel.

3.Pull off the earth lead and sensing pipe.

4.Undo the nut on the gas pipe at the gas/air inlet and the gas valve. Remove the pipe, taking care not to lose the sealing washers. Remove the valve.

5.Remove the outlet adaptor and inlet pipe and transfer them to the new valve. Examine the ‘O’ ring seals, replace if necessary.

6.Reassemble in reverse order., ensuring that all seals are in place and the injector is fitted.

NOTE: To assist the boiler to light prior to final setting, use a suitable hexagon key to wind out the throttle adjustment screw until it is flush with the valve body, then turn the screw 4 full turns clockwise (Fig. 100). If the boiler will not light, or the correct CO2 cannot be achieved contact the ‘heateam’ technical helpline.

Fig. 100

Retaining Bracket

Expansion Vessel

Lock Nut

Boiler Chassis

Fig. 101

14.25Expansion Vessel (Fig. 101)

1.Drain the boiler primary circuit and undo the nut on the vessel connection pipe.

2.Remove the screw retaining the air inlet pipe, and swing the pipe to one side.

3.Undo and remove the locknut securing the vessel spigot to the boiler lower panel.

4.Remove the bracket and vessel from the boiler.

5.Locate the retaining bracket on the upper flange of the new vessel and fit to the boiler.

6.Examine the sealing washer, replacing if necessary, and reassemble in reverse order.

© Baxi Heating UK Ltd 2012

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Image 47
Baxi Potterton Condensing Combination Boiler manual Gas Valve Fig, Expansion Vessel Fig
Page 46 Page 48

Condensing Combination Boiler specifications

The Baxi Potterton Condensing Combination Boiler is a sophisticated heating solution designed to meet the demands of modern households while promoting energy efficiency. This state-of-the-art boiler combines both heating and hot water capabilities into a compact unit, making it an ideal choice for homes with limited space.

One of the standout features of the Baxi Potterton Condensing Combination Boiler is its impressive energy efficiency. With a high energy efficiency rating, these boilers can significantly reduce energy bills and minimize carbon footprints. The condensing technology maximizes heat recovery, allowing the boiler to utilize heat that would otherwise be lost in traditional systems. By extracting more energy from the combustion process, homeowners can enjoy reliable heating and hot water without the typical energy waste associated with older boilers.

The Baxi Potterton range is engineered for easy installation and maintenance, featuring a lightweight design that simplifies the fitting process. The built-in digital control system allows homeowners to easily adjust settings for optimal comfort and energy usage. Additionally, the boiler includes a frost protection feature, making it a reliable option for homes in colder climates.

Another key characteristic of the Baxi Potterton Condensing Combination Boiler is its powerful hot water delivery system. The combination boiler provides instant hot water on demand, eliminating the need for a separate water tank. This ensures that households have a constant supply of hot water for showers, cooking, and other domestic needs, without long wait times.

Safety is a top priority with the Baxi Potterton. The boiler is equipped with multiple safety features, including pressure relief valves and safety cut-off systems, ensuring peace of mind for homeowners. The compact design further includes a quiet operation feature, which is particularly beneficial for households where noise levels need to be kept to a minimum.

In summary, the Baxi Potterton Condensing Combination Boiler is a highly efficient, compact, and user-friendly solution for home heating and hot water needs. With its advanced technology and strong emphasis on safety, it stands out as a reliable choice for modern households looking to improve energy efficiency while maintaining comfort. Whether you are replacing an old boiler or installing a new system, the Baxi Potterton offers a perfect blend of practicality and innovation.