3
General Layout
No. Key
Part No.
1
Return 3/4” BSP Boiler
2
Flow 3/4” BSP Boiler
3 Pressure Reducing Valve
Multibloc (3 bar) includes Item 4
355030
4
Expansion Relief Valve (6 bar)
PRE355030
5 Temperature and Pressure Relief Valve
550853
6
Tundish
219005
7
Immersion Heater
71242
8 Immersion heater Control Thermostat
80314
9
Indirect Control Thermostat
80345
10
Cold Feed Tube
(Not supplied - see Table 2)
11
Hot Water Outlet 3/4” BSP
12
Elbow / Drain Cock
250445
13
Discharge Pipe (Not supplied)
14
Motorised Valve (Not factory fitted)
92000
15 Expansion Vessel
AX12, 18 or 24
Size
Length of tube (ø22) mm Exp. Vessel pre charge / size
120
499
3 bar / 12 litre
150
679
3 bar / 12 litre
180
840
3 bar / 18 litre
210
940
3 bar / 18 litre
250
1210
3 bar / 24 litre
300
1420
3 bar / 24 litre
Table 1
with unvented cylinders.
1.10 Wall mounting
Wall mounting brackets are available for OSO unvented units Delta Coil 120-210.litres.
This cylinder is manufactured and approved in accordance with EN 12897 : 2006
