Emergency plumbing services & repairs in miami, free estimates! no overtime charges nights, weekends or holidays! In general, this is usually a more common issue when the boiler gets to be years or older. New boilers save money! a new a+ rated boiler could save you up to £* a year! We specialise in the installation of condensing boilers from worcester. I have a cess pit, not septic tank can i use this ? Designed to be used in sinks and toilets,.