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Installation Requirements
Instantaneous Water Heater
Unvented System
Pumped System
Pumped System (with Essex flange)
Key:
Isolating
Reducing
Shower Pump Essex
Valve
Valve
Valve Flange
Cold mains supply
Cold mains supply
Cold mains supply
Cold mains supply
1m min
1m min
If less
than 1m
see note.
50mm
10
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