CONNECTING TO HEATING SYSTEM
Page 6
Cylinder
Boiler
Zone Valve
Circulating Pump
Cap off cold feed and expansion pipe or
create temporary loop on vented systems.
Feed and expansion tank
Mains cold feed
Connect at pump valve
connections, this method is
most commonly used.
Connect at boiler
connections, this method
is normally used when a
new boiler is being fitted.
Connect at radiator valve connections,
this method is most commonly used
where a combination or system boiler
is present and pump access is difficult.
Bypass
