Room Thermostat
High Limit
Thermostat
90°C
Circulating Pump
Low Limit Thermostat (45°C)
Time Switch
Drain Cock
Room Thermostat
High Limit
Thermostat
90°C
Circulating Pump
Low Limit Thermostat (45°C)
Time Switch
Drain Cock
Injector Tee
Wiring Diagram for general guidance only
All electrical work must be carried out by a competent
electrician in accordance with the rules in force and the
instructions provided by the circulating pump and
heating controls manufacturer
Two Tapping System
Four Tapping System