Emergency plumber in Dublin

Signs your boiler needs attention

The clearest signal is a boiler that locks out and needs resetting more than once in a season. A single lockout after a power cut is normal. A repeating one means a component is on the way out, usually the pressure sensor, the fan, or the ignition electrodes, and it is far cheaper to catch that during a service than during a cold snap.

Noise is the second signal. Kettling, that rumbling sound as the boiler fires, is limescale or sludge on the heat exchanger. It makes the boiler work harder, shortens its life, and is fixable early. A boiler that needs topping up with water every few weeks has a leak somewhere in the system or a failed expansion vessel, and the pressure loss will keep coming back until someone finds the cause.

Radiators that are cold at the bottom and warm at the top, or a house where the upstairs never gets warm, point at the system rather than the boiler. The engineer checks both at the service, so you get an answer either way rather than a guess.

Common faults we find

Blocked condensate traps are the most common thing we clear on a Dublin service, especially on boilers where the condensate pipe runs outside. Sludge in the system is second. Both are cheap to deal with at a service and expensive to deal with when the boiler has already failed.

After that it is worn diverter valves on combi boilers, which show up as hot water that runs lukewarm or heating that comes on when you open a tap, and expansion vessels that have lost their charge, which show up as pressure climbing and dropping across the week. Neither is dramatic on its own and both are quick jobs when they are found early.

Repair or replace

A boiler under ten years old with a single failed part is almost always worth repairing. Parts are available, the appliance has years left in it, and a repair is a fraction of a replacement.

Past about fifteen years the calculation changes. Parts get harder to source, efficiency has usually dropped, and a second or third repair in the same year is money that would be better spent on the replacement. The engineer will tell you which side of that line your boiler sits on and give you the figure for both, in writing, before you decide anything. We do not quote a new boiler at a service unless you ask for one.

Notes on common boiler brands

We service every domestic gas boiler sold in Ireland. Worcester Bosch and Vaillant are the two most common in Dublin houses and both are well supported, with parts usually available at short notice. Ideal and Baxi are equally serviceable, though older Baxi models can need a longer visit.

Older Potterton and Glow-worm appliances still work well when they are kept serviced, but part availability is thinner and we will tell you honestly if we think a fault is going to be hard to source for. Whatever the make, the engineer works to the manufacturer service schedule, not a generic checklist.

Landlords and letting agents

If you let a property, the Annex E landlord gas safety certificate is a separate piece of work from the annual service, and it is charged separately. Ask for it when you book and the engineer will carry out both in the same visit, which saves a second appointment and a second access arrangement with the tenant.

We work with a number of Dublin letting agents and can deal with tenants directly for access, send the certificate straight to you, and keep the renewal date on file so the reminder comes to you before the certificate lapses. If you have a portfolio, ring the office and we will set the properties up together rather than one at a time.