But the sales-like nature of this visit put me off could i save more elsewhere? Customer support helpline open now until 6pm. Andritz designs and delivers boilers using a range of fluidized bed technologies these boilers are distinguished by capacity, fuel, and application. Common issues with boilers begin with airlocks, broken diaphragms, motorised valve failure, low water levels or thermostat problems it may be that parts need to be replaced. When we finish a job it comes with our guarantee,.