enow.com Web Search

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. HVAC control system - Wikipedia

   en.wikipedia.org/wiki/HVAC_control_system

   The program features include time schedules, set points, controllers, logic, timers, trend logs, and alarms. The unit controllers typically have analog and digital inputs that allow measurement of the variable (temperature, humidity, or pressure) and analog and digital outputs for control of the transport medium (hot/cold water and/or steam ...

4. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   An 80 US gal (300 L; 67 imp gal) electric storage tank water heater was able to have a minimum energy factor of 86% under the pre-2015 standard, while under the 2015 standard, the minimum energy factor for an 80-gallon electric storage tank water heater is now 197%, which is only possible with heat pump technology. This rating measures ...

5. Gas leak - Wikipedia

   en.wikipedia.org/wiki/Gas_leak

   A gas leak refers to a leak of natural gas or another gaseous product from a pipeline or other containment into any area where the gas should not be present. Gas leaks can be hazardous to health as well as the environment. Even a small leak into a building or other confined space may gradually build up an explosive or lethal gas concentration. [1]

6. Duct tape - Wikipedia

   en.wikipedia.org/wiki/Duct_tape

   Confirmed myths include suspending a car for a period of time, building a functional cannon, a two-person sailboat, a two-person canoe (with duct tape paddles), a two-person raft, Roman sandals, a chess set, a leak proof water canister, rope, a hammock that can support the weight of an adult male, holding a car in place, a bridge that spanned ...

7. AOL.com - News, Sports, Weather, Entertainment, Local & Lifestyle

   www.aol.com

   AOL latest headlines, entertainment, sports, articles for business, health and world news.

8. Entertainment News & Latest Celebrity Headlines - AOL.com

   www.aol.com/entertainment

   Get breaking entertainment news and the latest celebrity stories from AOL. All the latest buzz in the world of movies and TV can be found here.

9. Pressure measurement - Wikipedia

   en.wikipedia.org/wiki/Pressure_measurement

   Leak testing; A pressure sensor may be used to sense the decay of pressure due to a system leak. This is commonly done by either comparison to a known leak using differential pressure, or by means of utilizing the pressure sensor to measure pressure change over time. Groundwater measurement; Above-ground casing of a piezometer Symbol used in ...