The installation rulebook for oil-fired boilers, furnaces, heaters and their venting.

NFPA 31 tells you how liquid fuel heating equipment is designed, sited and installed, from kerosene and diesel through No. 2 heating oil to heavier grades. The 2020 edition covers appliance placement, chimney connectors and type L venting, and the separate rules that apply to used oil heating units. Written for contractors, heating mechanics, designers and the inspectors who approve the work. National Fire Protection Association trade paperback, ISBN 9781455924875.