Page 390 - The City and Guilds Textbook: Plumbing Book 1 for the Level 3 Apprenticeship (9189), Level 2 Technical Certificate (8202) and Level 2 Diploma (6035)

The City & Guilds Textbook: Plumbing Book 1

Isolation valve

In-line strainer
Pressure reducing valve
Balanced cold
connection
Expansion
vessel
Check valve

Shower valve
Temperature
relief valve
Washbasin
Expansion Bath
(pressure)
relief valve
Wiring centre Immersion Heating
circuit
heater
and cylinder
thermostat

Sink
Filling loop

System boiler

p Figure 6.23 Installation of an indirectly heated UHWSS with a system boiler

Isolation valve

In-line strainer

Pressure reducing valve
Balanced cold
connection
Single check
valve Pressure
relief valve
Expansion bubble
Temperature
relief valve

Tundish

Discharge
pipework Immersion
heaters  Figure 6.24 Installation of a directly
fired UHWSS with immersion
Wiring centre and cylinder thermostat
heaters as the primary heat source
378

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