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GENERAL
MR. HEATER UNIVERSITY
WEBSITE FAQS
GENERAL KNOWLEDGE
GLOSSARY
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TANK TOPS
BUDDY FAMILY
GOLF CART
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FORCED AIR KEROSENE
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UNIT/UTILITY
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CONVECTION
PORTABLE RADIANT
RADIANT KEROSENE
HANDHELD TORCHES
OUTDOOR & SPORTS
HOT WATER HEATERS
WASHING MACHINES
CAMPING STOVES
HFA
Here is a general glossary to help you navigate the wonderful world of heaters and propane.
Standard Abbreviations | |
BTU | The British Thermal Unit is the amount of heat required to raise the temperature of 1 pound (0.4kg) of water 1°F |
LP | Liquid Propane is a compressed gas found in canisters ranging from 1 pound to 100 pounds plus, the most common being 20 pounds |
CSA | Canadian Standards Association |
OPD | Stands for Overflow Protection Device that is located INSIDE refillable propane tanks up to 40lbs. |
N.P.T. | National Pipe Threads - an American standard thread |
P.O.L. | (Presto-lite) Adapter is a commonly employed thread (L.H.) connection used for propane cylinders; meets the specifications of the American Standards Institute |
Glossary | |
Backfire | Also called Flashback. The flash back of the flame through the venturi (the burner and tube feeding the burner) causing burning at the orifice. |
Burner | Device forming an integral unit for the introduction of propane with air or oxygen into the combustion zone for ignition. |
Cylinder | With respect to propane storage refers to a container designed and fabricated in accordance with the specifications of the US Department of Transportation for the storage of propane. |
L.H. Thread | A threaded connection where the male thread is turned in a counter clockwise direction into a female thread (L.H. – left hand) |
Orifice | The opening in a burner or other device whereby the flow of propane gas is limited and through which the gas is discharged to the burner. |
Liquid Propane | A hydrocarbon product (HD5); A special grade of liquefied petroleum gas composed of a minimum 90% liquid volume of propane (C3H8) and a maximum of 5% liquid volume of Propylene (C3H5) – Ref. ANSI Z21.57, ANSI 283.6, Z83.7 |
R.H. Thread | A threaded connection where the male thread is turned in a clockwise direction into female thread (R.H. – right hand) |
Rate | BTU input burned by an appliance during one hour of full operation. |
Regulator | A device for controlling or maintaining a uniform gas pressure. |
Safety Shut-off Valve | A device that will shut off gas supply to the controlled burner in the event of flame failure. |
Soft Nose | With fitting refers to a P.O.L. with a rubber “O” ring that acts as a secondary seal for connection to a propane cylinder valve. |
Tank Union | A P.O.L. assembly with a R.H. female device – i.e. the valve on an appliance. |
Thermocouple | The pair of dissimilar metallic elements so joined as to produce a current when the junctions are at different temperatures. Used for sensing the flame in a safety shut-off assembly. |