# draft

> difference between atmospheric pressure and the pressure existing in the furnace or flue gas passage of a boiler

**Wikidata**: [Q5304756](https://www.wikidata.org/wiki/Q5304756)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Draft_(boiler))  
**Source**: https://4ort.xyz/entity/draft-q5304756