They don't pay back any refund
I will advise no one to use RST boiler they are reliable they cancelled on me and said they would pay me my refund of £90 they took my bank details and said they will pay it back in 7 working days that was over a month ago I have contacted citizens advice they said they are in breach of contract they should have to pay us back and gave me a reference number to call them back if they don't pay us not holding my breath I had a feeling from the start that they would be con artist