How can we make our services more useful for you? Browse our boiler models and cad files to help with your design & engineering plans. Bill smith plumbing & heating offers our customers the option to pay their bill by credit card. All charges reduced in summer! prices valid for june, july and august. What are ways to avoid plumbing scams? Students may be eligible for government-subsidised training this is only offered by training providers who have a contract with the victorian government to deliver government-subsidised training.