www.tradeplumbing.co.uk Call Sales On 08708034288

STI/STI PROTECH/ITI 125-150-210-300 INDIRECT

MAX. 100mm

EXPANSION

VESSEL

HOT SUPPLY 28mm

 

COLD

 

MAINS-IN

COMBINATION

22mm

 

VALVE

 

 

EXPANSION

 

VESSEL

 

PRESSURE + TEMPERATURE

 

RELIEF VALVE

HOT SUPPLY

 

22mm

 

EXPANSION RELIEF

 

PIPE

 

SECONDARY

 

RETURN

ZONE

 

TUNDISH

VALVE

FLOW

 

 

EXPANSION

22mm

VESSEL

 

DRAIN

 

 

HOT SUPPLY

 

28mm

RETURN

 

FIG. 2.3

500 STI PROTECH

COLD

 

MAINS-IN

 

28mm

 

 

COMBINATION

 

VALVE

PRESSURE +

 

TEMPERATURE

 

RELIEF VALVE

 

 

EXPANSION RELIEF

 

PIPE

 

SECONDARY

 

RETURN

ZONE

TUNDISH

VALVE

 

 

FLOW

 

22mm

 

DRAIN

 

RETURN

MAX. 100mm

500 STD PROTECH

COLD

MAINS-IN

28mm

COMBINATION

VALVE

PRESSURE +

TEMPERATURE

RELIEF VALVE

EXPANSION RELIEF

PIPE

SECONDARY

RETURN

TUNDISH

22mm

DRAIN

MAX. 100mm

FIG. 2.4

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7

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Ariston Unvented Hot Water Storage Cylinders manual STI/STI PROTECH/ITI 125-150-210-300 Indirect, STI Protech, STD Protech