Programmers & Controls
 |
Boiler heating temperature control knob. This should be set to maximum. |
 |
Room thermostat. In order to confirm operation turn yo maximum, you may hear a click at the current temperature. Room thermostats can be mechanical (as shown) or digital displays. |
  |
Programmer in on Position. There are many different types of programmer. Ensure that programmer is set at 24hrs or advance to get boiler to fire. |