Did you know that improper sizing of your boiler can make your unit run less efficiently and wear out prematurely? Another consideration is safety high pressure, superheated steam can be extremely dangerous if it unintentionally escapes to give the reader some perspective, the steam plants used in many. Not a fan of the phone? got a question or need a quote? An excess is the amount you'll need to pay for each claim you make we'll ask you to pay this before we arrange for an engineer to visit.