We are available 24/7/365 days a year with no call out or overtime charges. The root of the problem comes from the boiler overheating the. We are extremely confident in our central heating abilities and all kinds of faulty boilers that we can proudly say that ‘if for whatever reason we cannot fix your boiler, nobody can!’. Bathroom renovations from start to finish. Head office: t&s heating ltd, 92 rolleston drive. You can avoid this unnecessary expense by following our advice on.