About R&R
A gas engineer on Arnold Street, Bolton, known in the reviews for finding the fault and fixing it. What follows comes from the Google listing and what reviewers have written.
R&R Plumbing & Heating Bolton Ltd is listed on Google as a gas engineer on Arnold Street, Bolton BL1. Boiler repair is the topic its reviewers mention most, in 82 reviews, followed by hot water repair (18), diagnosis (16), knowledgeable engineer (15), honest advice (10) and heating repair (10).
The same story comes up again and again: a boiler someone else could not fix, or said was not worth fixing, found and repaired. One reviewer had shown his leaking Worcester to five or six people in Bolton who all said replace it, with new boilers quoted at £1,800 to £2,000. R&R diagnosed it over the phone, came out and fitted four parts from the van.
Another reviewer rang on a Friday night with no heating, was booked in the next day, and had the fault diagnosed within ten minutes and fixed within two hours of arrival, with the parts already on board. Two earlier visits from another company had not found it.

How R&R works, in reviewers' words
“Honest, straight to the point and no messing.”
Imran Husain, Google review “The engineer arrived on time, diagnosed the issue straight away, and had the boiler running perfectly in no time.”
Imran Husain, Google review “Came when he said he would, did the job, no fuss. Helpful & knowledgeable.”
george patel, Google review “He’s reliable, friendly, extremely honest, and incredibly organised.”
fabio ramos, Google review
Boiler playing up? Get it looked at properly.
Say what it's doing and where you are. Been told to replace it? Run the second-opinion check and the message writes itself.
Mon to Fri 9am to 7pm, weekends 10am to 5pm