Like-for-like boiler swap vs a full system upgrade
A like-for-like swap replaces the boiler itself while reusing existing pipework, controls and flue route wherever it remains compliant. A full system upgrade also addresses pipework, controls, filtration or cylinder condition at the same time.
A like-for-like swap and a full upgrade explained in plain terms
Like-for-like is quicker and less disruptive where the existing system is in good condition and sized correctly for the new appliance. A full upgrade costs more time on site but resolves underlying issues such as undersized pipework, missing magnetic filtration, or outdated mechanical controls that would otherwise limit the new boiler's performance and warranty terms. An honest quote states clearly which category the job falls into and why.
Things worth knowing about a like-for-like swap and a full upgrade
- Like-for-like relies on existing pipework being sound and correctly sized
- A magnetic filter is commonly added even on a like-for-like swap
- Full upgrades address controls, cylinder and pipework together
- Manufacturer warranty terms sometimes require certain upgrades
- System condition is assessed on site before either option is quoted
Where we deal with this
Scope of work
- Domestic boiler installation
- Boiler servicing
- Boiler maintenance and repair
Straight answers on a like-for-like swap and a full upgrade
Our advice: Ask for the survey findings in writing so you can see exactly why a swap or an upgrade was recommended.
Call Jamie Crawford Heating on 07516 118198 during the published weekday opening hours.
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Questions we get asked
- How do I know which I need?
- An on-site survey checking pipework size, controls and system cleanliness will confirm it.
- Does a like-for-like swap still need a filter?
- Most manufacturers require a system filter for the warranty to remain valid, even on a straight swap.
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