8
Fig.4. 12/14, 15/19 and 20/25 Room Sealed Balanced Flue Appliance (RS).
Control Box Assembly
Front panel
Burner
Burner cover
Thermostat knob
Electrical control box
Control box top cover
User operating switch
(optional programmer
position)
Burner seal gasket
Isolating valve
Rear air duct
Rear air duct
access cover
Burner locking screw
Side panel
Expansion
vessel
Top panel
Side panel locking
screw (A)
8
1.
Hot water check valve. 8. Heatslave tank drain point (Unscrew
3
⁄4 turn to drain).
2. Automatic air vent. 9. Alternative central heating return tapping.
3. Diverter valve. 10. Flow switch.
4. Pump. 11. Mains cold inlet isolating valve.
5. System pressure gauge. 12. Air vent.
6. Pump manifold drain. 13. Pressure relief valve.
7. Fire valve clip.
6
5
4
12
13
3
12
11
1
7
12
10
9
2
Split pin
Split pin
Boiler high
limit
thermostat
phial
Central heating
control
thermostat
phial
Domestic hot
water control
thermostat phial
Manual reset high
limit thermostat
phial
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