Piping Diagrams - OSO Slimline-RI 150 Manual

2.8 Piping diagrams

S-plan piping diagram
Boiler
Y-plan piping diagram
Boiler
2-port valve
(supplied)
Automatic
bypass
2-port valve Mid pos. valve
(supplied) (not supplied)
Automatic
bypass
Zone valve
(not supplied)
Pump
flow
Pump
flow
Radiators/
UFH
Radiators/
UFH
9