When it comes time for a boiler replacement, many homeowners feel unsure about what the installation day actually involves. Knowing what to expect can make the process smoother and more reassuring. From early preparations to final checks, here’s a breakdown of what typically happens during a boiler replacement appointment so you’re fully prepared when Flametec Heating arrives.
A Step-by-Step Guide to Boiler Replacement Day
The day of your boiler replacement begins with careful coordination. An experienced heating engineer from Flametec Heating will arrive at the scheduled time with the necessary tools, components, and your chosen boiler unit. If you're replacing a like-for-like system in the same location, the process will usually be more straightforward. If you're relocating the boiler or switching types (e.g., system to combi), the work may take a bit longer.
Initial Safety Checks and Shut-off Procedures
Before any work starts, your engineer will shut down the gas, water, and electric supplies to ensure the area is safe. This is a standard procedure that avoids damage and ensures full compliance with safety standards.
Removal of the Old Boiler
Next, your old boiler will be disconnected and carefully removed. This may involve detaching it from the wall, draining remaining water from the system, and safely capping off any unused pipework.
System Cleansing
To protect your new boiler, your heating engineer may perform a system flush. This removes any sludge or debris from your radiators and pipes, which could otherwise damage the new unit or reduce efficiency.
Installing the New Boiler
The new boiler will then be fitted, connected to existing pipework, and wired into your home’s electrical system. This step involves precision work, especially with modern energy-efficient boilers that require proper calibration for optimal performance.
Commissioning and Testing
Once installed, your engineer will fill the system, bleed radiators, and test the boiler to make sure everything is working correctly. You’ll receive a handover that includes instructions on how to operate your new controls, warranty documentation, and service reminders.
Final Cleanup and Aftercare Advice
A good installer will always leave the work area clean and tidy. You’ll also be advised on how to maintain your new boiler and when your first annual service is due, helping you maximise its lifespan.
Common Questions Homeowners Ask
How long will it take?
Most straightforward replacements take 1–2 days. More complex jobs can take longer.
Will I be without heating all day?
Yes, there will be a temporary loss of heating and hot water, but your engineer will aim to keep downtime to a minimum.
Do I need to be home the whole time?
It’s recommended to be there at the start and end of the installation, but not necessarily the entire day.
Looking for a smooth boiler replacement in Cumbernauld or Glasgow?
Flametec Heating ensures professional installation, safety testing, and aftercare advice to get your home back up and running with minimal disruption. Call us on 07947848149 or fill out our contact form to book your boiler replacement.
