Quick Fixes For Heating Systems


Problem Possible Cause Solution
No Heat No power Check master switch and circuit breaker or fuse.
  Not enough water in boiler Add water by opening fill valve; or adjust automatic fill valve
  Defective Thermostat Clean or replace thermostat
Cold Radiator Air vent plugged Remove and clean or replace
  Closed inlet valve Open valve completely
  Radiator out of adjustment Adjust thermostatic air ve3nt or thermostatic inlet valve; if none, install thermostatic air vent
Hammering Noise Radiator not sloped Check radiator with a level, if not sloped slightly toward outflow end, shim opposite end