How To Reset High Temperature Limit Switch at iniretekaniablog Blog


How To Reset High Temperature Limit Switch. What to do if your furnace’s high limit switch is tripping. If this doesn’t help, you will have to replace the limit.

AO Smith Water Heater Thermal High Temperature Limit Switch How to
AO Smith Water Heater Thermal High Temperature Limit Switch How to from www.youtube.com

This switch, however, can send your furnace into a lockout mode. When air filters become clogged with dirt and dust, this creates a heat bottleneck that can trick your limit switch into thinking things are hotter than they. To reset the limit switch on a furnace vent system, turn off the power at the breaker.

AO Smith Water Heater Thermal High Temperature Limit Switch How to

This switch, however, can send your furnace into a lockout mode. The function of your furnace limit switch is to tell the fan when to turn off and on depending on the temperature in the home. The flame sensor rod, which reaches into the plenum to register temperatures, is a part of the high limit switch. Next, locate the limit switch on the blower housing.