I bought and moved into a home last December. There's a Valliant combi boiler as well an Oso hot water tank. Both worked when I moved in, so I haven't messed around with any settings. I've had great hot water, and great central heating too all winter.
But I was looking through the house purchase docs, and the previous owner had only serviced the boiler back in 2011.
Should I get the boiler serviced? Or are they just a con to get the "certificate", and more for landlords to get to tick the box?
And if they're worth getting, what should I ensure is included in the servicing?
All I want is to ensure (1) the boiler is good condition (2) any easy fixes/maintenance/tuneups are done and (3) professional advice. Is this a reasonable assumption to get from a standard boiler servicing?