Potterton Boilers: Promax and Assure Range
Potterton is one of the older established British boiler names, and its Promax and Assure ranges are still common in homes that haven't upgraded in a while.
Potterton is one of the older established British boiler names, and its Promax and Assure ranges are still common in homes that haven't upgraded in a while. We see a fair number of these appliances on general service and repair work.
How the range is built
Promax combis use a relatively straightforward layout, which tends to make diagnostics quicker once a fault is isolated, even on older units.
What we see go wrong
Heat exchanger scaling in hard water areas and pump failures on units past the ten-year mark are the recurring calls.
Servicing and parts
Current Promax and Assure models have decent parts support; discontinued Potterton lines from the 2000s are increasingly reliant on reconditioned stock.
Get an honest opinion on your Potterton boiler
Tell us the model and the symptoms and we'll say plainly whether repair is realistic before you commit to anything.
Questions we get asked
Is Potterton still a supported brand?
Current ranges are supported with parts; older discontinued models can be harder to source components for, which we'll be upfront about.
Why is my Potterton boiler noisy?
Pump wear or a build-up of debris in the system are the usual culprits — a system flush often resolves persistent noise.
Should I repair or replace an old Potterton boiler?
It depends on parts availability and the appliance's overall condition, which we assess honestly rather than defaulting to replacement.