Page 9
1.5.3 U-Series Utility – Pumped (UPHE) – Key Components
1. Heat Exchanger
2. Condensing Unit
3. Pipework Assembly
4. Pressure Relief Valve
5. Auto Air Vent
6. Circulating Pump
7. Auto Air Vent
8. Service Door
9. ‘Dual-Safe’ Thermostat
10. Heat Exchanger Baffles
11. Service Door
12. Service Door Cover
13. Condensate Trap
14. Riello RDB 2.2 Burner
15. Heating Flow Connection
16. Heating Return Connection
1.5.4 U-Series Utility – System (USHE) – Key Components
1. Pumped (UPHE) Boiler Assembly
2. System Kit (SK1)
3. Pressure Gauge
4. Expansion Vessel
5. Filling Loop
6. Heating Flow Connection
7. Heating Return Connection
1
11
12
10
2
8
9
16
4
6
5
15
13
14
7
3
1
6
7
3
4
2
5