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Contact number for appliance support.
Contact number for technical assistance.
Contact numbers for general and sales inquiries.
Phone number to register your Glow-worm appliance.
Details dimensions and hydraulic schematic of the boiler.
Specifies suitable locations for boiler installation.
Details required clearances around the boiler.
Guidance for installation in timber frame buildings.
Guidelines for installation near combustible materials.
Information on room ventilation requirements.
Ventilation requirements for cupboards or compartments.
Describes various available flue options and their installation.
Specifies siting dimensions for flue terminals.
Requirements for fitting a terminal guard.
Overview of the sealed water central heating system.
Details about the integral safety valve.
Information on the integral expansion vessel.
Guidelines for system flow rate.
Information on the automatic bypass feature.
Procedure for filling the sealed system.
Requirements for system draining points.
Recommendations for system water treatment.
Requirements for unvented domestic hot water systems.
Specifies suitable domestic water cylinders.
Checklist for appliance pack contents.
Specifies site and wall requirements for installation.
Instructions for using the wall template.
Guidance on cutting flue holes.
Instructions for assembling the wall hanging bracket.
Details on connecting gas and water systems.
Step-by-step instructions for hanging the boiler.
Installation and routing of the safety discharge valve pipe.
Details on condensate trap and drain connection.
Achievable flue lengths for telescopic kits.
Details for the horizontal telescopic flue kit.
Instructions for rear flue installation.
Instructions for side flue installation.
Step-by-step guide for fitting the flue system.
Maximum permissible flue lengths for standard flues.
Details for the standard horizontal flue kit.
Instructions for rear flue installation with standard flue.
Instructions for side flue installation with standard flue.
Guide for fitting the standard flue system.
Details for the direct rear telescopic flue.
Specifies flue length for direct rear installation.
Guide for fitting the direct rear flue.
Information on vertical flue system installation.
General guide for vertical flue installation.
How to install flue terminals on roofs.
Connecting the flue terminal to the boiler.
Specifics for installing a ridge tile terminal.
Final steps for vertical flue installation.
Details on the twin flue system.
Calculating flue length for multiple boilers.
Clearance requirements for twin flue terminals.
Available parts for twin flue installation.
Connecting the twin flue to the boiler.
Installing air and flue pipes for twin flue.
Installing horizontal terminals for twin flue.
Installing vertical terminals for twin flue.
Kit to manage flue plume impact.
Kit to deflect flue terminal output.
Steps for wiring the appliance.
Connecting 24V system controls.
Connecting mains voltage system controls.
Securing the electrical cartridge.
Preliminary electrical system checks.
Steps for pre-filling the heating circuit.
Procedure for filling the system and boiler.
Checks for gas supply and pressure.
Steps for initial boiler lighting.
Procedures to check gas inlet pressure and rate.
Adjusting the boiler output (range rating).
Performing tests on the heating system.
Final steps for commissioning.
Guidance for instructing the user on operation.
General servicing procedures and checks.
Servicing the spark electrode component.
Adjusting the minimum gas rate CO2 setting.
Re-checking CO2 and combustion ratio.
Maintenance procedures for the burner.
Cleaning and maintenance of the heat exchanger.
Checking and flushing the condensate trap.
Inspecting and replacing casing panel seals.
Initial checks before diagnosing faults.
Explanation of fault codes and their display.
Accessing and interpreting fault memory.
Navigating the diagnostic menu.
Information on boiler operating status codes.
General safety and procedures for part replacement.
Procedure to drain the boiler heating circuit.
Steps to remove and replace the igniter unit.
Details for replacing the ignition lead.
Procedure for replacing the front silencer assembly.
Instructions for replacing the gas valve.
Steps for removing and replacing the flue hood.
Procedure for replacing the fan component.
Instructions for replacing the expansion vessel.
Replacing the fan/gas valve assembly.
Procedure for replacing the rear silencer assembly.
Steps for replacing the spark electrode.
Instructions for replacing the burner.
Procedure for replacing the condensate trap.
Steps for replacing the flow thermistor.
Steps for replacing the return thermistor.
Procedure for replacing the pump head.
Steps for replacing the safety discharge valve.
Procedure for replacing the automatic air vent.
Instructions for replacing the heat exchanger.
Steps to access user interface and main PCB.
Procedure for accessing and removing the control box.
Location and replacement of the fuse.
Removing the installer interface cartridge.
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General