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42
Un-Plumbed Cylinder Schematic
Mechanical Diagram S-Plan
1 Bronze Pump
2 Non Return Valve (not supplied)
3 Inlet Control Group
4 Temperature & Pressure Relief Valve
5 Isolation Valve (not supplied)
6 Exp. Vessel with Wall Bracket
7 2-port Zone Valve (one only supplied)
9 Drain Valve (not supplied)
10 Tundish
11 Heating Circ. Pump (required where boiler has no internal pump)
7
7
1
2
9
3
5
6
10
4
11
Secondary
Return
Cold Main
Hot Water Outlet
Balanced Cold
Connection
High Limit
Stat
Boiler Prim. Flow
Boiler Prim. Return
Dual
Stat
