Monday - friday from 8am to 5pm. Eco- friendly heat only boilers. In order to ensure that the plumbing services we provide meet your needs, we offer a 12 month warranty all work and materials we provide is guaranteed for 12 months should anything happen in those 12 months, we will correct the problem, free of charge. The coke/pepsi idea is fantastic! i don't like either anyway, and it makes a lot of sense to use great hub and very useful as many have this problem at one time.