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Hep20 Technical Handbook

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Hep 2<br />

O ® Design Considerations<br />

Systems Planning<br />

Typical Domestic Plumbing Arrangements<br />

Feed and expansion tank<br />

Cold water storage tank<br />

Primary circulation pump<br />

Motorised<br />

valve<br />

Controls<br />

Room thermostat<br />

Boiler<br />

Service main<br />

Figure 10<br />

Indirect and vented system<br />

54

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