Sime RX 48 - Internal View

4
1.5 INTERNAL VIEW
Fig. 5
KEY
1 Main swtch
2 Lock out lamp (“RX IONO”)
3 Smoke stat
4 Hydrometer
5 Thermometer
6 Overheat stat (“RX IONO”)
7 Air vent valve (“RX PVA”)
8 Circulating pump (“RX PVA”)
9 Gas pilot tube
10 Drain cock (1/2”)
11 Pilot burner
12 Interrupted thermocouple
13 Piezoelectric ignition
14 Overheat stat
15 Gas valve
16 Boiler stat