9
COMBI SCHEMATIC
Electric Boilers
1.
Circuit breaker
2.
Power access window
3.
Heating system patented heat exchanger
4.
Thermal Cut-outs
5.
Heating expansion vessel
6.
Temperature sensor for heat flow
7.
Temperature sensor for heat return
8.
Automatic air vent (access behind pump)
9. Pump
10.
Pressure gauge
11.
Pressure sensor (linked to gauge)
12.
Pressure & expansion relief valve
13.
Heating system replenishing valve
14.
Thermal Cut-outs
15.
Domestic hot water heat exchanger
16.
Temperature sensor for hot water outlet
17.
Temperature sensor for cold water inlet
18.
Flow sensor for domestic hot water
