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Always verify safe electrical isolation before working on an appliance. Table of Contents Add to my manuals Add. To print the manual completely, please, download it.

Because of the boiler’s compact size and venting flexibility, the installation is not limited to a boiler room setting.

Page 28 5 A gas supply pressure of at least 18 mbar for natural gas or 31 mbar for LP gas is measured at the inlet when the boiler fires, or attempts to fire. Installation of the boiler is straightforward but consideration must be given to access to allow flue and air pipes to be pushed through walls and ceilings. The Keston Spa range of stainless steel unvented cylinders are an ideal option for use with the Keston Celsius Unscrew the two retaining screws, or nuts, and remove the thermostat.

Page 13 The Keston Spa range of stainless steel unvented cylinders are an ideal option for use with the Keston Celsius Signup to our newsletter today Sign up. Floor Standing Gas Heating Boilers. We will source it from our suppliers and aim to get it to you within 3 – 5 working days. Connect the new boiler as instructed in this manual and fit in accordance with Sections 3.


Keston Celsius 25 Installation And Servicing Instructions

High output boilers from 38kW to kW also available. Fan powered high efficiency condensing gas boiler 56 pages. Optional Accessories See Section 1. Reset lockout by turning user knob off then on. Bars, Grates and Grills. The guarantee provided with the Keston Celsius 25 does not cover damage caused by system debris or sludge. Boiler manuals Browse over thousands of our boiler manuals we have free online.

Boiler Manuals: Keston Celsius 25

Exchanging A Boiler It is essential that sludge or scale is removed from an existing system. Each page also comes with pictures and a video to make completing those jobs even easier! Fully modulating 7kW to 25kW output. Earth, Short Circuit using a ceosius test meter. Page 7 Keston Boilers Ltd declare that there are no substances harmful to health within the appliance or used during the production of the appliance.

Recheck the burner pressure by following the procedure detailed in Section 4. One boiler for practically any domestic installation. Below you will find a collection of tools to help you.

Small diameter muPVC plastic flue system. We have a large range of plumbing and heating boiler spares in stock at DHS and if you require any assistance locating the correct part please feel free to contact our uk based call centre. Wall mounted, room sealed – can be sited virtually anywhere.

Also See for Celsius 25 User instructions – 4 pages. Login Checkout celsuus guest Register. Well, if no, then we certainly do! Here are your nearest Celsous Up Locations. Keep up to date with all that’s happening plus what’s going on in the building and construction industry with our ever popular blog.


Fan powered high efficiency condensing gas boiler 54 pages.

If you like these videos why not also check out our YouTube channel. Electronic spark ignition no pilot offering 5 ignition attempts. Fascia PCB should have the electrical lead still connected and the knob left to the off position.

Keston Celsius 25

It is important to take your time to find the correct boiler spares for the job. Commercial Boilers and Heaters. Allowance must be made for socketed lengths if these are to be passed through the holes: Enter text from picture: Summary of Contents for Keston Celsius 25 Page 1: When the burner is lit and the boiler is operating normally the yellow Boiler On LED will illuminate continuously and the four green modulation LEDs will show the output level the boiler has determined is necessary for the heating load.

LPG installations must use Celsius 25P models only. Comments to this Manuals Your Name. Don’t have an account? Concreting – drives, paving, patios etc Fan powered high efficiency modulating domestic condensing gas heat only boiler 65 pages.

Before attempting any electrical fault finding, always carry out preliminary electrical system checks. Description While the application for which the Celsius 25 was designed is the same as those which other boilers are used, the Keston Celsius 25 has the added advantage of very high efficiency, and small diameter plastic flue which can be extended up to 60 metres horizontally or vertically.