Step-by-step legal guidance on travel. This delivery information applies to 'standard' products ordered online or by telephone go to our delivery information page for full delivery details of all our products and delivery methods. With remeha, a boiler replacement doesn’t have to be costly, complicated or disruptive. When our drains become blocked or clogged up reducing performance and throughput, it can be a real headache never mind very smelly! drain repairs are usually left until.