Technical data

© Baxi Heating UK Ltd 2010
25
22mm
Flow
Return
Boiler
Optional
2 port
valves
Indirect HE
Cylinder
Auto air vent
Typical Fully Pumped Sealed System
** If plastic pipe is used for the central heating circuit there must be a run
of at least 2 metres of uninsulated copper pipe from the boiler flow and
return connections including any branches.
Specification of all components ≥ 110˚C and ≥ 3 bar
2m **
Automatic
by-pass or
existing
by-pass
balancing
valve
Optional
3 port
valve
Auto air vent
Pressure
gauge
visible from
filling point
Safety
valve
Expansion
vessel
Alternative existing
by-pass arrangement
using the bathroom
radiator fitted with two
lockshield valves
Pump with
isolating valves
Manual
Filling
and
Make Up
Point
Sealed system manual filling and
make up point requirements
Stop
Valve
Temporary
Hose
Stop
Valve
Double
Check
Valve
From
Mains
Fig. 31
Fig. 32