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1. National Fuel Gas Code-This is the standard for gas hearth installation standards
Submitted on Monday, January 28, 2008 10:01:21 PM

2. National Fuel Gas Code:A standard for the installation of gas hearth appliances to be used in the absence of local codes.
Submitted on Saturday, March 31, 2007 10:01:21 PM

3. NATIONAL FUEL GAS CODE (ANSI Z23.1, NFPA 54):-A standard for the installation of gas appliances, piping and venting.
Submitted on Saturday, October 27, 2007 10:01:21 PM

4. Natural draft (B-vent) Appliances:a gas-burning appliance that takes in combustion air from the home and vents products of combustion outside the home.
Submitted on Thursday, January 24, 2008 10:01:21 PM

5. Natural Draft (B-vent) Appliances:
Natural draft hearth appliances take in combustion air from the home and vent products of combustion outside the home.
Submitted on Friday, September 14, 2007 10:01:21 PM

6. Natural draft (B-vent) Appliances
a gas-burning appliance that takes in combustion air from the home and vents byproducts of combustion outside the home.
Submitted on Thursday, January 04, 2007 10:01:21 PM

7. Natural draft (B-vent) Appliances
a gas-burning appliance that takes in combustion air from the home and vents products of combustion outside the home.
Submitted on Saturday, September 22, 2007 10:01:21 PM

8. Natural Draft Appliance:
Natural Draft (B-vent) Appliance, An appliance that takes in combustion air from the home and vents products of combustion outside of the home.
Submitted on Saturday, October 28, 2006 10:01:21 PM

9. NATURAL DRAFT APPLIANCES:
Natural draft hearth appliances take in combustion air from the home and vent products of combustion outside the home. Also referred to as
Submitted on Tuesday, August 08, 2006 10:01:21 PM

10. NATURAL GAS:-Clean-burning fossil fuel available in vast quantities throughout North America and delivered to homes via an extensive pipeline network. Colorless, highly flammable gas found in porous geologic formations beneath the earths surface. Consists mainly of methane.
Submitted on Wednesday, October 11, 2006 10:01:21 PM

11. Natural Gas:
clean-burning fossil fuel transported to homes via an extensive pipeline network.
Submitted on Saturday, May 10, 2008 10:01:21 PM

12. Natural Gas:-A relatively clean burning fossil fuel that emits much lower levels of combustion waste than other fuels. This is one of the most important and useful sources of energy in the USA . Newly cleaned gas then either goes straight through main pipelines and into cities or it is stored in large tanks as a frozen liquid. Gas is also sometimes burned in power stations to generate electricity.
Submitted on Monday, August 06, 2007 10:01:21 PM

13. Natural Gas-Colorless, highly flammable gas consisting mainly of methane. A highly popular gas because of its flammability and high energy value.
Submitted on Saturday, March 29, 2008 10:01:21 PM

14. Natural Gas:
clean-burning fossil fuel available in vast quantities throughout North America and delivered to homes via an extensive pipeline network.
Submitted on Monday, July 17, 2006 10:01:21 PM

15. Natural Gas
Definition:clean-burning fossil fuel available in vast quantities throughout North America and delivered to homes via an extensive pipeline network.
Submitted on Saturday, December 27, 2008 10:01:21 PM

16. Natural Vent:-Also known as a "B-Vent", a single pipe or liner exhausts combustion by-products.
Submitted on Wednesday, February 04, 2009 10:01:21 PM

17. NG-Colorless, highly flammable gas consisting mainly of methane. A highly popular gas because of its flammability and high energy value.
Submitted on Tuesday, February 20, 2007 10:01:21 PM

18. Non-catalytic Combustor
These are well insulated fireplaces, usually including ceramic glass doors. The insulation increases the temperature inside the firebox aiding a more complete combustion. An extra combustion chamber is used to burn off excess smoke and gases. These are also known as Non-cats.
Submitted on Sunday, January 18, 2009 10:01:21 PM

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