![Specification for independent thermostatically controlled central heating boilers with rated outputs up to 44 kW : [metric units]. Part 1, Boilers with undergrate ash removal designed to burn solid sm](/img/books.png)
Specification for independent thermostatically controlled central heating boilers with rated outputs up to 44 kW : [metric units]. Part 1, Boilers with undergrate ash removal designed to burn solid sm by British Standards Institution. ISBN 0580053687. Published by B.S.I in 1969. Publication and catalogue information, links to buy online and reader comments.