Page 688 - The City and Guilds Textbook: Plumbing Book 1 for the Level 3 Apprenticeship (9189), Level 2 Technical Certificate (8202) and Level 2 Diploma (6035)
P. 688
The City & Guilds Textbook: Plumbing Book 1
HETAS (Heating Equipment Testing statutory regulations 346–53 positioning pipework 126–9,
and Approval Scheme) storage cylinders 368–9, 135–7
631 376–80 preparation 119–24
high-density polyethylene (HDPE) testing 420–4 pre-testing checks 139
109 thermal stores 383–4 private houses 118–29
high-necked pillar taps 316 thermostatic mixing valves protecting surroundings 138
hole saws 90 (TMVs) 407–11, 413 second fix 134
horseplay 3 tundish arrangements 400–1 shower mixing valves 414–19
hose union bib taps 316 unvented 372–80, 387, 401–6 snagging 134
hot water systems hot work 52–8 temperatures 408, 412
centralised 356–86 hydraulic bending machine 105 testing 139–40
cold water accumulators 379– hydraulic low carbon steel bending instantaneous water heaters 381–2,
80 machines 87 384
combination boilers 382–3 hydrochloric acid 21 insulation
combined primary storage unit ice 167–8 cisterns 288–9
384 ideal mechanical advantage (IMA) hot water pipework 413
commissioning 420, 424–7 178 insulation resistance 661–2
components 392–3 immersion heaters 360–1, 412, integral solder ring 98, 103
decommissioning 427–8 428 invoices 208
discharge pipework 400–5 imperial units 148 iron 151
efficiency 405 improvement notice 15 irritant substances 21
energy efficiency 354 in situ working 137–8 isolating electricity supply 49–51,
expansion vessels 396–400, individual conciliation 216 659–64
475–6, 503 isolation valves 311–13
factors affecting 353–5 induced siphonage 584–5 jig saw 87
infrared thermometers 167
faults 428–9 job roles 200–4
flow rate 423 injuries job specifications 206, 223
flushing 422–3 acute 31 joiners 204
functional controls 395–401 chronic 31 jointing
initial system fill 421–2 eyes 28–9 capillary fittings 98–9
installation 411–20 major 38–42 compounds 108
instantaneous heaters 381–3, minor 35–8 compression fittings 99–100,
384 reporting 6, 42–3 103, 109, 110
insulation 413 see also accidents; first aid copper tube 97–104
localised 386–7 in-line strainer 396 fittings 107–8
manufacturer’s technical inspectors 204–6 low carbon steel pipe 107–9
instructions 353 installations plastic pipe 110–11, 112–17
noise in 429 benchmarking 141 press-fit fittings 101–2, 103
open vented 356–72, 384, 389, Building Regulations compliance push-fit fittings 100–1, 103,
407 141 110, 112–15, 117
overheating 429 central heating systems 506–10 solvent weld joint 114, 116
renewable energy supply 357 commissioning 141 threaded joints 107
safety 406–11 decommissioning 142 joists, notching and drilling 121–3
safety controls 393–5 final fix 134 junction boxes 656–7
secondary circulation 387–92, first fix 133–4 kelvin scale 166–7
424 handover to customer 142 kerosene 162, 625, 632–4
selecting 355 hot water systems 411–20 kick-space heaters 471
solar thermal 384–6 making good 124–5 kinetic energy 165
676
9781510416482.indb 676 29/03/19 9:09 PM
