Glossary of boiler terms

This article includes a list of general references, but it lacks sufficient corresponding inline citations. Please help to improve this article by introducing more precise citations. (February 2012) (Learn how and when to remove this message)

Boilers for generating steam or hot water have been designed in countless shapes, sizes and configurations. An extensive terminology has evolved to describe their common features. This glossary provides definitions for these terms.

Terms which relate solely to boilers used for space heating or generating hot water are identified by (HVAC).