Written to match the course specification with chapter names, matching the units within the specifications, and chapter outcomes mirroring the specification outcomes, this book uses step-by-step photos to engage learners and ease understanding. Margin notes and FAQs stimulate interest and reinforce basic information.central-heating appliances back boilers 204-6 combination boilers 217 flue- operating principles 202-3 gas-fired 215-16 ... and heat leak 205-6 cleaning system 236-7 cold flush 236 combination boilers, design principles 412 commissioninganbsp;...
|Title||:||Plumbing NVQ and Technical Certificate Level 3|
|Author||:||Mike Phoenix, John Thompson|
|Publisher||:||Heinemann - 2005|