enow.com Web Search

  1. Ads

    related to: is furnace low pressure shut off switch troubleshooting light keeps

Search results

  1. Results from the WOW.Com Content Network
  2. Pilot light - Wikipedia

    en.wikipedia.org/wiki/Pilot_light

    In natural gas furnaces, water heaters, and room heating systems, a safety cut-off switch is normally included so that the gas supply to the pilot and heating system is shut off by an electrically operated valve if the pilot light goes out. This cut-off switch usually detects the pilot light in one of several ways: A flame rectification device. [2]

  3. Freeze stat - Wikipedia

    en.wikipedia.org/wiki/Freeze_stat

    Air coil freeze stat. A freeze stat is a temperature sensing device for HVAC that monitors a heat exchanger to prevent its coils from freezing.Freeze stats can be used on both refrigerant-to-air, and refrigerant-to-liquid type heat exchangers and serve different purposes with similar goals for each.

  4. Air handler - Wikipedia

    en.wikipedia.org/wiki/Air_handler

    Un-balanced fans wobble and vibrate. For home AC fans, this can be a major problem: air circulation is greatly reduced at the vents (as wobble is lost energy), efficiency is compromised, and noise is increased. Another major problem in fans that are not balanced is longevity of the bearings (attached to the fan and shaft) is compromised.

  5. Pressure switch - Wikipedia

    en.wikipedia.org/wiki/Pressure_switch

    Murphy oil pressure gauges with switches that activate on low pressure. A pressure switch is a form of switch that operates an electrical contact when a certain set fluid pressure has been reached on its input. The switch may be designed to make contact either on pressure rise or on pressure fall.

  6. Forced-air - Wikipedia

    en.wikipedia.org/wiki/Forced-air

    A heat exchanger keeps the combustion byproducts from entering the air stream. A ribbon style (long with holes), inshot (torch-like), or oil type burner is located in the heat exchanger. Ignition is provided by an electric spark, standing pilot, or hot surface igniter.

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  1. Ads

    related to: is furnace low pressure shut off switch troubleshooting light keeps